78971429365 has 16 divisors (see below), whose sum is σ = 94992670080. Its totient is φ = 63025980480.

The previous prime is 78971429351. The next prime is 78971429387. The reversal of 78971429365 is 56392417987.

It is not a de Polignac number, because 78971429365 - 2¹⁵ = 78971396597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5225470 + ... + 5240560.

It is an arithmetic number, because the mean of its divisors is an integer number (5937041880).

Almost surely, 2^78971429365 is an apocalyptic number.

It is an amenable number.

78971429365 is a deficient number, since it is larger than the sum of its proper divisors (16021240715).

78971429365 is a wasteful number, since it uses less digits than its factorization.

78971429365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532.

The product of its digits is 22861440, while the sum is 61.

The spelling of 78971429365 in words is "seventy-eight billion, nine hundred seventy-one million, four hundred twenty-nine thousand, three hundred sixty-five".