1878260736 has 264 divisors, whose sum is σ = 5715092992. Its totient is φ = 547430400.

The previous prime is 1878260731. The next prime is 1878260737. The reversal of 1878260736 is 6370628781.

It is a tau number, because it is divible by the number of its divisors (264).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878260731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11522991 + ... + 11523153.

Almost surely, 2^1878260736 is an apocalyptic number.

1878260736 is a gapful number since it is divisible by the number (16) 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 1878260736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857546496).

1878260736 is an abundant number, since it is smaller than the sum of its proper divisors (3836832256).

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

1878260736 is a wasteful number, since it uses less digits than its factorization.

1878260736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 1878260736 is about 43338.9055699380. The cubic root of 1878260736 is about 1233.8204379962.

The spelling of 1878260736 in words is "one billion, eight hundred seventy-eight million, two hundred sixty thousand, seven hundred thirty-six".