78812610832 has 10 divisors (see below), whose sum is σ = 152699433518. Its totient is φ = 39406305408.

The previous prime is 78812610823. The next prime is 78812610839. The reversal of 78812610832 is 23801621887.

It can be written as a sum of positive squares in only one way, i.e., 75825332496 + 2987278336 = 275364^2 + 54656^2 .

It is a super-2 number, since 2×78812610832² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78812610839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2462894073 + ... + 2462894104.

Almost surely, 2^78812610832 is an apocalyptic number.

It is an amenable number.

78812610832 is a deficient number, since it is larger than the sum of its proper divisors (73886822686).

78812610832 is a wasteful number, since it uses less digits than its factorization.

78812610832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925788185 (or 4925788179 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 78812610832 in words is "seventy-eight billion, eight hundred twelve million, six hundred ten thousand, eight hundred thirty-two".