78823082536 has 64 divisors (see below), whose sum is σ = 162537062400. Its totient is φ = 35539089600.

The previous prime is 78823082431. The next prime is 78823082563. The reversal of 78823082536 is 63528032887.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6027541 + ... + 6040603.

It is an arithmetic number, because the mean of its divisors is an integer number (2539641600).

Almost surely, 2^78823082536 is an apocalyptic number.

It is an amenable number.

78823082536 is an abundant number, since it is smaller than the sum of its proper divisors (83713979864).

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

78823082536 is a wasteful number, since it uses less digits than its factorization.

78823082536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630 (or 13626 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 78823082536 in words is "seventy-eight billion, eight hundred twenty-three million, eighty-two thousand, five hundred thirty-six".