77290977441616 has 20 divisors (see below), whose sum is σ = 150410966019552. Its totient is φ = 38475244275296.

The previous prime is 77290977441599. The next prime is 77290977441673. The reversal of 77290977441616 is 61614477909277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10640274100 + ... + 10640281363.

Almost surely, 2^{77290977441616} is an apocalyptic number.

It is an amenable number.

77290977441616 is a deficient number, since it is larger than the sum of its proper divisors (73119988577936).

77290977441616 is a wasteful number, since it uses less digits than its factorization.

77290977441616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21280555698 (or 21280555692 counting only the distinct ones).

The product of its (nonzero) digits is 224042112, while the sum is 70.

The spelling of 77290977441616 in words is "seventy-seven trillion, two hundred ninety billion, nine hundred seventy-seven million, four hundred forty-one thousand, six hundred sixteen".