77960684846 has 16 divisors (see below), whose sum is σ = 135076267440. Its totient is φ = 33352164480.

The previous prime is 77960684807. The next prime is 77960684929. The reversal of 77960684846 is 64848606977.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104225141 + ... + 104225888.

It is an arithmetic number, because the mean of its divisors is an integer number (8442266715).

Almost surely, 2^77960684846 is an apocalyptic number.

77960684846 is a deficient number, since it is larger than the sum of its proper divisors (57115582594).

77960684846 is a wasteful number, since it uses less digits than its factorization.

77960684846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208451059.

The product of its (nonzero) digits is 97542144, while the sum is 65.

The spelling of 77960684846 in words is "seventy-seven billion, nine hundred sixty million, six hundred eighty-four thousand, eight hundred forty-six".