77903932934 has 16 divisors (see below), whose sum is σ = 117476367360. Its totient is φ = 38745681480.

The previous prime is 77903932933. The next prime is 77903932961. The reversal of 77903932934 is 43923930977.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 77903932934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77903932933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156587 + ... + 424649.

It is an arithmetic number, because the mean of its divisors is an integer number (7342272960).

Almost surely, 2^77903932934 is an apocalyptic number.

77903932934 is a deficient number, since it is larger than the sum of its proper divisors (39572434426).

77903932934 is a wasteful number, since it uses less digits than its factorization.

77903932934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268835.

The product of its (nonzero) digits is 7715736, while the sum is 56.

The spelling of 77903932934 in words is "seventy-seven billion, nine hundred three million, nine hundred thirty-two thousand, nine hundred thirty-four".