77940007935 has 32 divisors (see below), whose sum is σ = 124934261760. Its totient is φ = 41491344000.

The previous prime is 77940007919. The next prime is 77940007963. The reversal of 77940007935 is 53970004977.

It is not a de Polignac number, because 77940007935 - 2⁴ = 77940007919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26791261 + ... + 26794169.

It is an arithmetic number, because the mean of its divisors is an integer number (3904195680).

Almost surely, 2^77940007935 is an apocalyptic number.

77940007935 is a deficient number, since it is larger than the sum of its proper divisors (46994253825).

77940007935 is a wasteful number, since it uses less digits than its factorization.

77940007935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599.

The product of its (nonzero) digits is 1666980, while the sum is 51.

The spelling of 77940007935 in words is "seventy-seven billion, nine hundred forty million, seven thousand, nine hundred thirty-five".