78560536 has 32 divisors (see below), whose sum is σ = 161352000. Its totient is φ = 35693056.

The previous prime is 78560513. The next prime is 78560539. The reversal of 78560536 is 63506587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78560539) 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, 6016 + ... + 13903.

It is an arithmetic number, because the mean of its divisors is an integer number (5042250).

Almost surely, 2^78560536 is an apocalyptic number.

It is an amenable number.

78560536 is an abundant number, since it is smaller than the sum of its proper divisors (82791464).

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

78560536 is a wasteful number, since it uses less digits than its factorization.

78560536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19971 (or 19967 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 78560536 is about 8863.4381590893. The cubic root of 78560536 is about 428.2869214787.

The spelling of 78560536 in words is "seventy-eight million, five hundred sixty thousand, five hundred thirty-six".