97387056311 has 16 divisors (see below), whose sum is σ = 100588959744. Its totient is φ = 94216185504.

The previous prime is 97387056227. The next prime is 97387056313. The reversal of 97387056311 is 11365078379.

It is a de Polignac number, because none of the positive numbers 2^k-97387056311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97387056311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97387056313) 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, 7278950 + ... + 7292316.

It is an arithmetic number, because the mean of its divisors is an integer number (6286809984).

Almost surely, 2^97387056311 is an apocalyptic number.

97387056311 is a deficient number, since it is larger than the sum of its proper divisors (3201903433).

97387056311 is a wasteful number, since it uses less digits than its factorization.

97387056311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14510.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 97387056311 in words is "ninety-seven billion, three hundred eighty-seven million, fifty-six thousand, three hundred eleven".