90856130029208 has 32 divisors (see below), whose sum is σ = 175851931944960. Its totient is φ = 43962304139040.

The previous prime is 90856130029183. The next prime is 90856130029211. The reversal of 90856130029208 is 80292003165809.

It is a self number, because there is not a number n which added to its sum of digits gives 90856130029208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32398385 + ... + 35090847.

It is an arithmetic number, because the mean of its divisors is an integer number (5495372873280).

Almost surely, 2^{90856130029208} is an apocalyptic number.

It is an amenable number.

90856130029208 is a deficient number, since it is larger than the sum of its proper divisors (84995801915752).

90856130029208 is a wasteful number, since it uses less digits than its factorization.

90856130029208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828567 (or 2828563 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 90856130029208 in words is "ninety trillion, eight hundred fifty-six billion, one hundred thirty million, twenty-nine thousand, two hundred eight".