78750012725 has 24 divisors (see below), whose sum is σ = 98098221312. Its totient is φ = 62711412800.

The previous prime is 78750012673. The next prime is 78750012727. The reversal of 78750012725 is 52721005787.

It is not a de Polignac number, because 78750012725 - 2⁶ = 78750012661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78750012727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6003524 + ... + 6016626.

It is an arithmetic number, because the mean of its divisors is an integer number (4087425888).

Almost surely, 2^78750012725 is an apocalyptic number.

It is an amenable number.

78750012725 is a deficient number, since it is larger than the sum of its proper divisors (19348208587).

78750012725 is a wasteful number, since it uses less digits than its factorization.

78750012725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14197 (or 14192 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 44.

The spelling of 78750012725 in words is "seventy-eight billion, seven hundred fifty million, twelve thousand, seven hundred twenty-five".