99875461 has 16 divisors (see below), whose sum is σ = 116330368. Its totient is φ = 83980800.

The previous prime is 99875443. The next prime is 99875491. The reversal of 99875461 is 16457899.

It is a 8-Lehmer number, since φ(99875461) divides (99875461-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 99875461 - 2⁵ = 99875429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99875411) 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 15 ways as a sum of consecutive naturals, for example, 122746 + ... + 123556.

It is an arithmetic number, because the mean of its divisors is an integer number (7270648).

Almost surely, 2^99875461 is an apocalyptic number.

It is an amenable number.

99875461 is a deficient number, since it is larger than the sum of its proper divisors (16454907).

99875461 is a wasteful number, since it uses less digits than its factorization.

99875461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its digits is 544320, while the sum is 49.

The square root of 99875461 is about 9993.7711100465. The cubic root of 99875461 is about 463.9661170388.

The spelling of 99875461 in words is "ninety-nine million, eight hundred seventy-five thousand, four hundred sixty-one".