78082536 has 32 divisors (see below), whose sum is σ = 223093440. Its totient is φ = 22309248.

The previous prime is 78082507. The next prime is 78082561. The reversal of 78082536 is 63528087.

It is a junction number, because it is equal to n+sod(n) for n = 78082494 and 78082503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232221 + ... + 232556.

It is an arithmetic number, because the mean of its divisors is an integer number (6971670).

Almost surely, 2^78082536 is an apocalyptic number.

It is an amenable number.

78082536 is an abundant number, since it is smaller than the sum of its proper divisors (145010904).

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

78082536 is a wasteful number, since it uses less digits than its factorization.

78082536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464793 (or 464789 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 78082536 is about 8836.4323117421. The cubic root of 78082536 is about 427.4165193855.

The spelling of 78082536 in words is "seventy-eight million, eighty-two thousand, five hundred thirty-six".