65483880 has 256 divisors, whose sum is σ = 258508800. Its totient is φ = 12856320.

The previous prime is 65483879. The next prime is 65483933. The reversal of 65483880 is 8838456.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175374 + ... + 175746.

It is an arithmetic number, because the mean of its divisors is an integer number (1009800).

Almost surely, 2^65483880 is an apocalyptic number.

65483880 is a gapful number since it is divisible by the number (60) 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 65483880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129254400).

65483880 is an abundant number, since it is smaller than the sum of its proper divisors (193024920).

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

65483880 is a wasteful number, since it uses less digits than its factorization.

65483880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 65483880 is about 8092.2110699116. The cubic root of 65483880 is about 403.0678275990.

The spelling of 65483880 in words is "sixty-five million, four hundred eighty-three thousand, eight hundred eighty".