77007692308 has 12 divisors (see below), whose sum is σ = 134767954720. Its totient is φ = 38502562392.

The previous prime is 77007692273. The next prime is 77007692323. The reversal of 77007692308 is 80329670077.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178998 + ... + 431341.

Almost surely, 2^77007692308 is an apocalyptic number.

It is an amenable number.

77007692308 is a deficient number, since it is larger than the sum of its proper divisors (57760262412).

77007692308 is a wasteful number, since it uses less digits than its factorization.

77007692308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641886 (or 641884 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 49.

It can be divided in two parts, 7700769 and 2308, that added together give a palindrome (7703077).

The spelling of 77007692308 in words is "seventy-seven billion, seven million, six hundred ninety-two thousand, three hundred eight".