77324993097 has 16 divisors (see below), whose sum is σ = 113217576960. Its totient is φ = 46553274000.

The previous prime is 77324993089. The next prime is 77324993111. The reversal of 77324993097 is 79039942377.

It is not a de Polignac number, because 77324993097 - 2³ = 77324993089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77324993097.

It is not an unprimeable number, because it can be changed into a prime (77324993797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7753897 + ... + 7763862.

It is an arithmetic number, because the mean of its divisors is an integer number (7076098560).

Almost surely, 2^77324993097 is an apocalyptic number.

It is an amenable number.

77324993097 is a deficient number, since it is larger than the sum of its proper divisors (35892583863).

77324993097 is a wasteful number, since it uses less digits than its factorization.

77324993097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15517924.

The product of its (nonzero) digits is 18003384, while the sum is 60.

The spelling of 77324993097 in words is "seventy-seven billion, three hundred twenty-four million, nine hundred ninety-three thousand, ninety-seven".