78079052425 has 72 divisors (see below), whose sum is σ = 108803661120. Its totient is φ = 55527120000.

The previous prime is 78079052419. The next prime is 78079052479. The reversal of 78079052425 is 52425097087.

It is not a de Polignac number, because 78079052425 - 2³ = 78079052417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25357036 + ... + 25360114.

It is an arithmetic number, because the mean of its divisors is an integer number (1511161960).

Almost surely, 2^78079052425 is an apocalyptic number.

It is an amenable number.

78079052425 is a deficient number, since it is larger than the sum of its proper divisors (30724608695).

78079052425 is a wasteful number, since it uses less digits than its factorization.

78079052425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295 (or 3279 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 78079052425 in words is "seventy-eight billion, seventy-nine million, fifty-two thousand, four hundred twenty-five".