78836893032 has 128 divisors (see below), whose sum is σ = 211838457600. Its totient is φ = 24362201088.

The previous prime is 78836893019. The next prime is 78836893039. The reversal of 78836893032 is 23039863887.

It is not an unprimeable number, because it can be changed into a prime (78836893039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7688533 + ... + 7698779.

It is an arithmetic number, because the mean of its divisors is an integer number (1654987950).

Almost surely, 2^78836893032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78836893032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105919228800).

78836893032 is an abundant number, since it is smaller than the sum of its proper divisors (133001564568).

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

78836893032 is a wasteful number, since it uses less digits than its factorization.

78836893032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10555 (or 10551 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 78836893032 in words is "seventy-eight billion, eight hundred thirty-six million, eight hundred ninety-three thousand, thirty-two".