78522964123 has 8 divisors (see below), whose sum is σ = 79860744000. Its totient is φ = 77185413768.

The previous prime is 78522964103. The next prime is 78522964141. The reversal of 78522964123 is 32146922587.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-78522964123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78522964103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722040 + ... + 823642.

It is an arithmetic number, because the mean of its divisors is an integer number (9982593000).

Almost surely, 2^78522964123 is an apocalyptic number.

78522964123 is a deficient number, since it is larger than the sum of its proper divisors (1337779877).

78522964123 is a wasteful number, since it uses less digits than its factorization.

78522964123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114761.

The product of its digits is 1451520, while the sum is 49.

The spelling of 78522964123 in words is "seventy-eight billion, five hundred twenty-two million, nine hundred sixty-four thousand, one hundred twenty-three".