10565787397 has 24 divisors (see below), whose sum is σ = 11810425536. Its totient is φ = 9443280000.

The previous prime is 10565787367. The next prime is 10565787409. The reversal of 10565787397 is 79378756501.

10565787397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10565787397 is a prime.

It is a super-2 number, since 2×10565787397² (a number of 21 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 (10565787307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3443458 + ... + 3446524.

It is an arithmetic number, because the mean of its divisors is an integer number (492101064).

Almost surely, 2^10565787397 is an apocalyptic number.

It is an amenable number.

10565787397 is a deficient number, since it is larger than the sum of its proper divisors (1244638139).

10565787397 is a wasteful number, since it uses less digits than its factorization.

10565787397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 58.

The spelling of 10565787397 in words is "ten billion, five hundred sixty-five million, seven hundred eighty-seven thousand, three hundred ninety-seven".