77790036 has 48 divisors (see below), whose sum is σ = 189808640. Its totient is φ = 24766560.

The previous prime is 77790017. The next prime is 77790091. The reversal of 77790036 is 63009777.

It is a junction number, because it is equal to n+sod(n) for n = 77789976 and 77790003.

It is a congruent number.

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, 28065 + ... + 30711.

Almost surely, 2^77790036 is an apocalyptic number.

It is an amenable number.

77790036 is an abundant number, since it is smaller than the sum of its proper divisors (112018604).

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

77790036 is a wasteful number, since it uses less digits than its factorization.

77790036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 77790036 is about 8819.8659853764. The cubic root of 77790036 is about 426.8821456616.

The spelling of 77790036 in words is "seventy-seven million, seven hundred ninety thousand, thirty-six".