97803577613 has 16 divisors (see below), whose sum is σ = 114053999616. Its totient is φ = 82127485440.

The previous prime is 97803577609. The next prime is 97803577639. The reversal of 97803577613 is 31677530879.

It is not a de Polignac number, because 97803577613 - 2² = 97803577609 is a prime.

It is a super-2 number, since 2×97803577613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97803577213) 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, 53828 + ... + 445538.

It is an arithmetic number, because the mean of its divisors is an integer number (7128374976).

Almost surely, 2^97803577613 is an apocalyptic number.

It is an amenable number.

97803577613 is a deficient number, since it is larger than the sum of its proper divisors (16250422003).

97803577613 is a wasteful number, since it uses less digits than its factorization.

97803577613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392444.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 97803577613 in words is "ninety-seven billion, eight hundred three million, five hundred seventy-seven thousand, six hundred thirteen".