104977517 has 4 divisors (see below), whose sum is σ = 105228480. Its totient is φ = 104726556.

The previous prime is 104977513. The next prime is 104977549. The reversal of 104977517 is 715779401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 715779401 = 5573 ⋅128437.

It is a cyclic number.

It is not a de Polignac number, because 104977517 - 2² = 104977513 is a prime.

It is a super-2 number, since 2×104977517² = 22040558150970578, which 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 (104977513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124853 + ... + 125690.

It is an arithmetic number, because the mean of its divisors is an integer number (26307120).

Almost surely, 2^104977517 is an apocalyptic number.

It is an amenable number.

104977517 is a deficient number, since it is larger than the sum of its proper divisors (250963).

104977517 is an equidigital number, since it uses as much as digits as its factorization.

104977517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250962.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 104977517 is about 10245.8536491597. The cubic root of 104977517 is about 471.7357232744.

The spelling of 104977517 in words is "one hundred four million, nine hundred seventy-seven thousand, five hundred seventeen".