90711859465 has 8 divisors (see below), whose sum is σ = 112365658368. Its totient is φ = 70228536240.

The previous prime is 90711859451. The next prime is 90711859471. The reversal of 90711859465 is 56495811709.

It is a happy number.

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

It is not a de Polignac number, because 90711859465 - 2³⁵ = 56352121097 is a prime.

It is a Duffinian 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, 292618747 + ... + 292619056.

It is an arithmetic number, because the mean of its divisors is an integer number (14045707296).

Almost surely, 2^90711859465 is an apocalyptic number.

It is an amenable number.

90711859465 is a deficient number, since it is larger than the sum of its proper divisors (21653798903).

90711859465 is a wasteful number, since it uses less digits than its factorization.

90711859465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585237839.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 90711859465 in words is "ninety billion, seven hundred eleven million, eight hundred fifty-nine thousand, four hundred sixty-five".