99508475 has 24 divisors (see below), whose sum is σ = 135272592. Its totient is φ = 72012800.

The previous prime is 99508469. The next prime is 99508477. The reversal of 99508475 is 57480599.

It is not a de Polignac number, because 99508475 - 2⁶ = 99508411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99508477) 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 23 ways as a sum of consecutive naturals, for example, 63299 + ... + 64851.

It is an arithmetic number, because the mean of its divisors is an integer number (5636358).

Almost surely, 2^99508475 is an apocalyptic number.

99508475 is a deficient number, since it is larger than the sum of its proper divisors (35764117).

99508475 is a wasteful number, since it uses less digits than its factorization.

99508475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 99508475 is about 9975.3934759487. The cubic root of 99508475 is about 463.3971483048.

It can be divided in two parts, 99 and 508475, that multiplied together give a square (50339025 = 7095²).

The spelling of 99508475 in words is "ninety-nine million, five hundred eight thousand, four hundred seventy-five".