77006799902120 has 32 divisors (see below), whose sum is σ = 189016690669920. Its totient is φ = 28002472691520.

The previous prime is 77006799902117. The next prime is 77006799902161. The reversal of 77006799902120 is 2120999760077.

It is a self number, because there is not a number n which added to its sum of digits gives 77006799902120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87507726722 + ... + 87507727601.

It is an arithmetic number, because the mean of its divisors is an integer number (5906771583435).

Almost surely, 2^{77006799902120} is an apocalyptic number.

It is an amenable number.

77006799902120 is an abundant number, since it is smaller than the sum of its proper divisors (112009890767800).

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

77006799902120 is a wasteful number, since it uses less digits than its factorization.

77006799902120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175015454345 (or 175015454341 counting only the distinct ones).

The product of its (nonzero) digits is 6001128, while the sum is 59.

The spelling of 77006799902120 in words is "seventy-seven trillion, six billion, seven hundred ninety-nine million, nine hundred two thousand, one hundred twenty".