77690996 has 12 divisors (see below), whose sum is σ = 136372320. Its totient is φ = 38727480.

The previous prime is 77690939. The next prime is 77691017. The reversal of 77690996 is 69909677.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28016 + ... + 30663.

It is an arithmetic number, because the mean of its divisors is an integer number (11364360).

Almost surely, 2^77690996 is an apocalyptic number.

It is an amenable number.

77690996 is a deficient number, since it is larger than the sum of its proper divisors (58681324).

77690996 is a wasteful number, since it uses less digits than its factorization.

77690996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59014 (or 59012 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 77690996 is about 8814.2495993703. The cubic root of 77690996 is about 426.7009040994.

The spelling of 77690996 in words is "seventy-seven million, six hundred ninety thousand, nine hundred ninety-six".