104977931 has 4 divisors (see below), whose sum is σ = 107211552. Its totient is φ = 102744312.

The previous prime is 104977897. The next prime is 104977937. The reversal of 104977931 is 139779401.

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 104977931 - 2⁶ = 104977867 is a prime.

It is a super-2 number, since 2×104977931² = 22040731994081522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104977937) 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, 1116740 + ... + 1116833.

It is an arithmetic number, because the mean of its divisors is an integer number (26802888).

Almost surely, 2^104977931 is an apocalyptic number.

104977931 is a deficient number, since it is larger than the sum of its proper divisors (2233621).

104977931 is an equidigital number, since it uses as much as digits as its factorization.

104977931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233620.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 104977931 is about 10245.8738524345. The cubic root of 104977931 is about 471.7363434019.

The spelling of 104977931 in words is "one hundred four million, nine hundred seventy-seven thousand, nine hundred thirty-one".