10977375989 has 4 divisors (see below), whose sum is σ = 11555132640. Its totient is φ = 10399619340.

The previous prime is 10977375961. The next prime is 10977376021. The reversal of 10977375989 is 98957377901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10977375989 - 2⁸ = 10977375733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10977375919) 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, 288878297 + ... + 288878334.

It is an arithmetic number, because the mean of its divisors is an integer number (2888783160).

Almost surely, 2^10977375989 is an apocalyptic number.

10977375989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10977375989 is a deficient number, since it is larger than the sum of its proper divisors (577756651).

10977375989 is an equidigital number, since it uses as much as digits as its factorization.

10977375989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577756650.

The product of its (nonzero) digits is 30005640, while the sum is 65.

The spelling of 10977375989 in words is "ten billion, nine hundred seventy-seven million, three hundred seventy-five thousand, nine hundred eighty-nine".