78676236 has 36 divisors (see below), whose sum is σ = 201683664. Its totient is φ = 25855200.

The previous prime is 78676219. The next prime is 78676237. The reversal of 78676236 is 63267687.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×78676236² = 12379900222255392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78676191 and 78676200.

It is not an unprimeable number, because it can be changed into a prime (78676237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12835 + ... + 17946.

It is an arithmetic number, because the mean of its divisors is an integer number (5602324).

Almost surely, 2^78676236 is an apocalyptic number.

It is an amenable number.

78676236 is an abundant number, since it is smaller than the sum of its proper divisors (123007428).

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

78676236 is a wasteful number, since it uses less digits than its factorization.

78676236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30862 (or 30857 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 78676236 is about 8869.9625703833. The cubic root of 78676236 is about 428.4970714808.

The spelling of 78676236 in words is "seventy-eight million, six hundred seventy-six thousand, two hundred thirty-six".