78876036 has 18 divisors (see below), whose sum is σ = 199381182. Its totient is φ = 26292000.

The previous prime is 78876029. The next prime is 78876037. The reversal of 78876036 is 63067887.

78876036 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 78322500 + 553536 = 8850^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (18).

78876036 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 78875982 and 78876000.

It is not an unprimeable number, because it can be changed into a prime (78876037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1095465 + ... + 1095536.

Almost surely, 2^78876036 is an apocalyptic number.

It is an amenable number.

78876036 is an abundant number, since it is smaller than the sum of its proper divisors (120505146).

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

78876036 is a wasteful number, since it uses less digits than its factorization.

78876036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191011 (or 2191006 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 78876036 is about 8881.2181596896. The cubic root of 78876036 is about 428.8594907180.

The spelling of 78876036 in words is "seventy-eight million, eight hundred seventy-six thousand, thirty-six".