90807005312485 has 24 divisors (see below), whose sum is σ = 136885931981568. Its totient is φ = 56606964348000.

The previous prime is 90807005312449. The next prime is 90807005312519. The reversal of 90807005312485 is 58421350070809.

It is a happy number.

It is not a de Polignac number, because 90807005312485 - 2¹⁵ = 90807005279717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10721011741 + ... + 10721020210.

It is an arithmetic number, because the mean of its divisors is an integer number (5703580499232).

Almost surely, 2^{90807005312485} is an apocalyptic number.

It is an amenable number.

90807005312485 is a deficient number, since it is larger than the sum of its proper divisors (46078926669083).

90807005312485 is a wasteful number, since it uses less digits than its factorization.

90807005312485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21442031985 (or 21442031974 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 90807005312485 in words is "ninety trillion, eight hundred seven billion, five million, three hundred twelve thousand, four hundred eighty-five".