78749231301 has 24 divisors (see below), whose sum is σ = 122622596096. Its totient is φ = 48412092960.

The previous prime is 78749231279. The next prime is 78749231303. The reversal of 78749231301 is 10313294787.

78749231301 is a `hidden beast` number, since 78 + 7 + 49 + 231 + 301 = 666.

It is not a de Polignac number, because 78749231301 - 2⁷ = 78749231173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78749231303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223645 + ... + 455538.

Almost surely, 2^78749231301 is an apocalyptic number.

It is an amenable number.

78749231301 is a deficient number, since it is larger than the sum of its proper divisors (43873364795).

78749231301 is a wasteful number, since it uses less digits than its factorization.

78749231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680193 (or 680190 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 78749231301 in words is "seventy-eight billion, seven hundred forty-nine million, two hundred thirty-one thousand, three hundred one".