78025151928 has 16 divisors (see below), whose sum is σ = 195062879880. Its totient is φ = 26008383968.

The previous prime is 78025151909. The next prime is 78025152043. The reversal of 78025151928 is 82915152087.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625523975 + ... + 1625524022.

Almost surely, 2^78025151928 is an apocalyptic number.

It is an amenable number.

78025151928 is an abundant number, since it is smaller than the sum of its proper divisors (117037727952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78025151928 is a wasteful number, since it uses less digits than its factorization.

78025151928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251048006 (or 3251048002 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 78025151928 in words is "seventy-eight billion, twenty-five million, one hundred fifty-one thousand, nine hundred twenty-eight".