77293683797 has 32 divisors (see below), whose sum is σ = 87644250624. Its totient is φ = 67545446400.

The previous prime is 77293683769. The next prime is 77293683823. The reversal of 77293683797 is 79738639277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77293683797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77293683707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28936772 + ... + 28939442.

It is an arithmetic number, because the mean of its divisors is an integer number (2738882832).

Almost surely, 2^77293683797 is an apocalyptic number.

It is an amenable number.

77293683797 is a deficient number, since it is larger than the sum of its proper divisors (10350566827).

77293683797 is a wasteful number, since it uses less digits than its factorization.

77293683797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

The product of its digits is 168031584, while the sum is 68.

The spelling of 77293683797 in words is "seventy-seven billion, two hundred ninety-three million, six hundred eighty-three thousand, seven hundred ninety-seven".