10591977907 has 4 divisors (see below), whose sum is σ = 12105117616. Its totient is φ = 9078838200.

The previous prime is 10591977833. The next prime is 10591977923. The reversal of 10591977907 is 70977919501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10591977907 - 2¹⁵ = 10591945139 is a prime.

It is a super-2 number, since 2×10591977907² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10591977947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756569844 + ... + 756569857.

It is an arithmetic number, because the mean of its divisors is an integer number (3026279404).

Almost surely, 2^10591977907 is an apocalyptic number.

10591977907 is a deficient number, since it is larger than the sum of its proper divisors (1513139709).

10591977907 is an equidigital number, since it uses as much as digits as its factorization.

10591977907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513139708.

The product of its (nonzero) digits is 1250235, while the sum is 55.

The spelling of 10591977907 in words is "ten billion, five hundred ninety-one million, nine hundred seventy-seven thousand, nine hundred seven".