78574601907 has 16 divisors (see below), whose sum is σ = 116434320000. Its totient is φ = 52370691912.

The previous prime is 78574601813. The next prime is 78574601909. The reversal of 78574601907 is 70910647587.

78574601907 is a `hidden beast` number, since 7 + 8 + 574 + 60 + 1 + 9 + 0 + 7 = 666.

It is not a de Polignac number, because 78574601907 - 2¹⁹ = 78574077619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78574601909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226657 + ... + 456642.

It is an arithmetic number, because the mean of its divisors is an integer number (7277145000).

Almost surely, 2^78574601907 is an apocalyptic number.

78574601907 is a deficient number, since it is larger than the sum of its proper divisors (37859718093).

78574601907 is a wasteful number, since it uses less digits than its factorization.

78574601907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687567 (or 687561 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 78574601907 in words is "seventy-eight billion, five hundred seventy-four million, six hundred one thousand, nine hundred seven".