90765001602 has 64 divisors (see below), whose sum is σ = 222304924800. Its totient is φ = 27220976640.

The previous prime is 90765001583. The next prime is 90765001603. The reversal of 90765001602 is 20610056709.

90765001602 is a `hidden beast` number, since 90 + 7 + 6 + 500 + 1 + 60 + 2 = 666.

It is a super-2 number, since 2×90765001602² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90765001603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730027 + ... + 845262.

It is an arithmetic number, because the mean of its divisors is an integer number (3473514450).

Almost surely, 2^90765001602 is an apocalyptic number.

90765001602 is an abundant number, since it is smaller than the sum of its proper divisors (131539923198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90765001602 is a wasteful number, since it uses less digits than its factorization.

90765001602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575408 (or 1575402 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 90765001602 in words is "ninety billion, seven hundred sixty-five million, one thousand, six hundred two".