90532272917 has 16 divisors (see below), whose sum is σ = 95267235072. Its totient is φ = 85866168960.

The previous prime is 90532272893. The next prime is 90532272947. The reversal of 90532272917 is 71927223509.

It is a cyclic number.

It is not a de Polignac number, because 90532272917 - 2¹² = 90532268821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90532272947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1732817 + ... + 1784297.

It is an arithmetic number, because the mean of its divisors is an integer number (5954202192).

Almost surely, 2^90532272917 is an apocalyptic number.

It is an amenable number.

90532272917 is a deficient number, since it is larger than the sum of its proper divisors (4734962155).

90532272917 is a wasteful number, since it uses less digits than its factorization.

90532272917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52148.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 90532272917 in words is "ninety billion, five hundred thirty-two million, two hundred seventy-two thousand, nine hundred seventeen".