77039292018 has 32 divisors (see below), whose sum is σ = 165941366976. Its totient is φ = 23702885568.

The previous prime is 77039292017. The next prime is 77039292041. The reversal of 77039292018 is 81029293077.

It is not an unprimeable number, because it can be changed into a prime (77039292017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2273496 + ... + 2307132.

It is an arithmetic number, because the mean of its divisors is an integer number (5185667718).

Almost surely, 2^77039292018 is an apocalyptic number.

77039292018 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

77039292018 is an abundant number, since it is smaller than the sum of its proper divisors (88902074958).

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

77039292018 is a wasteful number, since it uses less digits than its factorization.

77039292018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63018.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 77039292018 in words is "seventy-seven billion, thirty-nine million, two hundred ninety-two thousand, eighteen".