99288870434 has 16 divisors (see below), whose sum is σ = 160416781560. Its totient is φ = 45817898880.

The previous prime is 99288870431. The next prime is 99288870493. The reversal of 99288870434 is 43407888299.

It can be written as a sum of positive squares in 4 ways, for example, as 21337905625 + 77950964809 = 146075^2 + 279197^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99288870431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163739 + ... + 474750.

Almost surely, 2^99288870434 is an apocalyptic number.

99288870434 is a deficient number, since it is larger than the sum of its proper divisors (61127911126).

99288870434 is a wasteful number, since it uses less digits than its factorization.

99288870434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644485.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 99288870434 in words is "ninety-nine billion, two hundred eighty-eight million, eight hundred seventy thousand, four hundred thirty-four".