99075655 has 16 divisors (see below), whose sum is σ = 139037184. Its totient is φ = 66356640.

The previous prime is 99075649. The next prime is 99075661. The reversal of 99075655 is 55657099.

It is an interprime number because it is at equal distance from previous prime (99075649) and next prime (99075661).

It is not a de Polignac number, because 99075655 - 2⁵ = 99075623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31411 + ... + 34420.

It is an arithmetic number, because the mean of its divisors is an integer number (8689824).

Almost surely, 2^99075655 is an apocalyptic number.

99075655 is a deficient number, since it is larger than the sum of its proper divisors (39961529).

99075655 is a wasteful number, since it uses less digits than its factorization.

99075655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65886.

The product of its (nonzero) digits is 425250, while the sum is 46.

The square root of 99075655 is about 9953.6754518118. The cubic root of 99075655 is about 462.7243109635.

It can be divided in two parts, 990756 and 55, that multiplied together give a triangular number (54491580 = T₁₀₄₃₉).

The spelling of 99075655 in words is "ninety-nine million, seventy-five thousand, six hundred fifty-five".