90906268571 has 8 divisors (see below), whose sum is σ = 96791429520. Its totient is φ = 85080855808.

The previous prime is 90906268487. The next prime is 90906268573. The reversal of 90906268571 is 17586260909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90906268571 - 2¹⁰ = 90906267547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90906268573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14933906 + ... + 14939991.

It is an arithmetic number, because the mean of its divisors is an integer number (12098928690).

Almost surely, 2^90906268571 is an apocalyptic number.

90906268571 is a deficient number, since it is larger than the sum of its proper divisors (5885160949).

90906268571 is a wasteful number, since it uses less digits than its factorization.

90906268571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29874093.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 90906268571 in words is "ninety billion, nine hundred six million, two hundred sixty-eight thousand, five hundred seventy-one".