78074923874 has 8 divisors (see below), whose sum is σ = 117789336540. Its totient is φ = 38811811696.

The previous prime is 78074923867. The next prime is 78074923897. The reversal of 78074923874 is 47832947087.

It can be written as a sum of positive squares in 2 ways, for example, as 74744826025 + 3330097849 = 273395^2 + 57707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112824689 + ... + 112825380.

Almost surely, 2^78074923874 is an apocalyptic number.

78074923874 is a deficient number, since it is larger than the sum of its proper divisors (39714412666).

78074923874 is a wasteful number, since it uses less digits than its factorization.

78074923874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225650244.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 78074923874 in words is "seventy-eight billion, seventy-four million, nine hundred twenty-three thousand, eight hundred seventy-four".