875297280 has 320 divisors, whose sum is σ = 3291539328. Its totient is φ = 195624960.

The previous prime is 875297257. The next prime is 875297303. The reversal of 875297280 is 82792578.

It is an interprime number because it is at equal distance from previous prime (875297257) and next prime (875297303).

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×875297280² = 1532290656750796800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097842 + ... + 1098638.

Almost surely, 2^875297280 is an apocalyptic number.

875297280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 875297280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645769664).

875297280 is an abundant number, since it is smaller than the sum of its proper divisors (2416242048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

875297280 is a wasteful number, since it uses less digits than its factorization.

875297280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 875297280 is about 29585.4234379027. The cubic root of 875297280 is about 956.5738983942.

The spelling of 875297280 in words is "eight hundred seventy-five million, two hundred ninety-seven thousand, two hundred eighty".