78910532925 has 48 divisors (see below), whose sum is σ = 149612507520. Its totient is φ = 35950199040.

The previous prime is 78910532893. The next prime is 78910532927. The reversal of 78910532925 is 52923501987.

It is not a de Polignac number, because 78910532925 - 2⁵ = 78910532893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78910532927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102670 + ... + 410319.

It is an arithmetic number, because the mean of its divisors is an integer number (3116927240).

Almost surely, 2^78910532925 is an apocalyptic number.

78910532925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78910532925 is a deficient number, since it is larger than the sum of its proper divisors (70701974595).

78910532925 is a wasteful number, since it uses less digits than its factorization.

78910532925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513302 (or 513297 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 78910532925 in words is "seventy-eight billion, nine hundred ten million, five hundred thirty-two thousand, nine hundred twenty-five".