78910660053 has 16 divisors (see below), whose sum is σ = 120675801600. Its totient is φ = 50910102720.

The previous prime is 78910660043. The next prime is 78910660057. The reversal of 78910660053 is 35006601987.

It is a happy number.

It is not a de Polignac number, because 78910660053 - 2⁸ = 78910659797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78910659990 and 78910660008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78910660057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47138148 + ... + 47139821.

It is an arithmetic number, because the mean of its divisors is an integer number (7542237600).

Almost surely, 2^78910660053 is an apocalyptic number.

It is an amenable number.

78910660053 is a deficient number, since it is larger than the sum of its proper divisors (41765141547).

78910660053 is a wasteful number, since it uses less digits than its factorization.

78910660053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94278009 (or 94278003 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 78910660053 in words is "seventy-eight billion, nine hundred ten million, six hundred sixty thousand, fifty-three".