791435677680 has 60 divisors (see below), whose sum is σ = 2657904819960. Its totient is φ = 211049513856.

The previous prime is 791435677663. The next prime is 791435677691. The reversal of 791435677680 is 86776534197.

791435677680 is a `hidden beast` number, since 7 + 9 + 1 + 4 + 3 + 567 + 7 + 68 + 0 = 666.

791435677680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549607390 + ... + 549608829.

It is an arithmetic number, because the mean of its divisors is an integer number (44298413666).

Almost surely, 2^791435677680 is an apocalyptic number.

It is an amenable number.

791435677680 is an abundant number, since it is smaller than the sum of its proper divisors (1866469142280).

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

791435677680 is a wasteful number, since it uses less digits than its factorization.

791435677680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099216238 (or 1099216229 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 791435677680 in words is "seven hundred ninety-one billion, four hundred thirty-five million, six hundred seventy-seven thousand, six hundred eighty".