78958089296 has 40 divisors (see below), whose sum is σ = 165930957864. Its totient is φ = 36250480640.

The previous prime is 78958089239. The next prime is 78958089299. The reversal of 78958089296 is 69298085987.

It can be written as a sum of positive squares in 4 ways, for example, as 12373447696 + 66584641600 = 111236^2 + 258040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78958089299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3528935 + ... + 3551238.

Almost surely, 2^78958089296 is an apocalyptic number.

It is an amenable number.

78958089296 is an abundant number, since it is smaller than the sum of its proper divisors (86972868568).

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

78958089296 is a wasteful number, since it uses less digits than its factorization.

78958089296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080239 (or 7080233 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 71.

The spelling of 78958089296 in words is "seventy-eight billion, nine hundred fifty-eight million, eighty-nine thousand, two hundred ninety-six".