78248036932 has 24 divisors (see below), whose sum is σ = 147551749016. Its totient is φ = 36093835008.

The previous prime is 78248036897. The next prime is 78248036953. The reversal of 78248036932 is 23963084287.

It can be written as a sum of positive squares in 4 ways, for example, as 1401856 + 78246635076 = 1184^2 + 279726^2 .

It is a super-2 number, since 2×78248036932² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 78248036932.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338043 + ... + 520354.

Almost surely, 2^78248036932 is an apocalyptic number.

It is an amenable number.

78248036932 is a deficient number, since it is larger than the sum of its proper divisors (69303712084).

78248036932 is a wasteful number, since it uses less digits than its factorization.

78248036932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860167 (or 860165 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 78248036932 in words is "seventy-eight billion, two hundred forty-eight million, thirty-six thousand, nine hundred thirty-two".