90597870609 has 16 divisors (see below), whose sum is σ = 121108048320. Its totient is φ = 60243321600.

The previous prime is 90597870607. The next prime is 90597870613. The reversal of 90597870609 is 90607879509.

It is not a de Polignac number, because 90597870609 - 2¹ = 90597870607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90597870607) 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, 2013334 + ... + 2057840.

It is an arithmetic number, because the mean of its divisors is an integer number (7569253020).

Almost surely, 2^90597870609 is an apocalyptic number.

It is an amenable number.

90597870609 is a deficient number, since it is larger than the sum of its proper divisors (30510177711).

90597870609 is a wasteful number, since it uses less digits than its factorization.

90597870609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46240.

The product of its (nonzero) digits is 8573040, while the sum is 60.

The spelling of 90597870609 in words is "ninety billion, five hundred ninety-seven million, eight hundred seventy thousand, six hundred nine".