77290851692 has 12 divisors (see below), whose sum is σ = 135361546320. Its totient is φ = 38616124176.

The previous prime is 77290851647. The next prime is 77290851731. The reversal of 77290851692 is 29615809277.

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, 7319483 + ... + 7330034.

It is an arithmetic number, because the mean of its divisors is an integer number (11280128860).

Almost surely, 2^77290851692 is an apocalyptic number.

It is an amenable number.

77290851692 is a deficient number, since it is larger than the sum of its proper divisors (58070694628).

77290851692 is a wasteful number, since it uses less digits than its factorization.

77290851692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14650840 (or 14650838 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 77290851692 in words is "seventy-seven billion, two hundred ninety million, eight hundred fifty-one thousand, six hundred ninety-two".