77090979244 has 12 divisors (see below), whose sum is σ = 135093269584. Its totient is φ = 38492902224.

The previous prime is 77090979209. The next prime is 77090979263. The reversal of 77090979244 is 44297909077.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

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, 13143552 + ... + 13149415.

Almost surely, 2^77090979244 is an apocalyptic number.

It is an amenable number.

77090979244 is a deficient number, since it is larger than the sum of its proper divisors (58002290340).

77090979244 is a wasteful number, since it uses less digits than its factorization.

77090979244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26293704 (or 26293702 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 77090979244 in words is "seventy-seven billion, ninety million, nine hundred seventy-nine thousand, two hundred forty-four".