78029509960 has 16 divisors (see below), whose sum is σ = 175566397500. Its totient is φ = 31211803968.

The previous prime is 78029509937. The next prime is 78029509969. The reversal of 78029509960 is 6990592087.

It can be written as a sum of positive squares in 2 ways, for example, as 75024496836 + 3005013124 = 273906^2 + 54818^2 .

It is not an unprimeable number, because it can be changed into a prime (78029509969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975368835 + ... + 975368914.

Almost surely, 2^78029509960 is an apocalyptic number.

It is an amenable number.

78029509960 is an abundant number, since it is smaller than the sum of its proper divisors (97536887540).

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

78029509960 is a wasteful number, since it uses less digits than its factorization.

78029509960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950737760 (or 1950737756 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 78029509960 in words is "seventy-eight billion, twenty-nine million, five hundred nine thousand, nine hundred sixty".