93721864779697 has 16 divisors (see below), whose sum is σ = 119232693072000. Its totient is φ = 73030024500720.

The previous prime is 93721864779661. The next prime is 93721864779703. The reversal of 93721864779697 is 79697746812739.

It is not a de Polignac number, because 93721864779697 - 2²⁷ = 93721730561969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93721864779607) 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, 12420068422 + ... + 12420075967.

It is an arithmetic number, because the mean of its divisors is an integer number (7452043317000).

Almost surely, 2^{93721864779697} is an apocalyptic number.

It is an amenable number.

93721864779697 is a deficient number, since it is larger than the sum of its proper divisors (25510828292303).

93721864779697 is a wasteful number, since it uses less digits than its factorization.

93721864779697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24840144421 (or 24840144407 counting only the distinct ones).

The product of its digits is 12098274048, while the sum is 85.

The spelling of 93721864779697 in words is "ninety-three trillion, seven hundred twenty-one billion, eight hundred sixty-four million, seven hundred seventy-nine thousand, six hundred ninety-seven".