78925349974 has 16 divisors (see below), whose sum is σ = 118728172800. Its totient is φ = 39349341864.

The previous prime is 78925349969. The next prime is 78925349981. The reversal of 78925349974 is 47994352987.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4180047 + ... + 4198885.

It is an arithmetic number, because the mean of its divisors is an integer number (7420510800).

Almost surely, 2^78925349974 is an apocalyptic number.

78925349974 is a deficient number, since it is larger than the sum of its proper divisors (39802822826).

78925349974 is a wasteful number, since it uses less digits than its factorization.

78925349974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24747.

The product of its digits is 137168640, while the sum is 67.

The spelling of 78925349974 in words is "seventy-eight billion, nine hundred twenty-five million, three hundred forty-nine thousand, nine hundred seventy-four".