90860517394 has 16 divisors (see below), whose sum is σ = 142574718528. Its totient is φ = 43345562832.

The previous prime is 90860517373. The next prime is 90860517403. The reversal of 90860517394 is 49371506809.

It is a happy number.

It is a super-3 number, since 3×90860517394³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2469432 + ... + 2505955.

It is an arithmetic number, because the mean of its divisors is an integer number (8910919908).

Almost surely, 2^90860517394 is an apocalyptic number.

90860517394 is a deficient number, since it is larger than the sum of its proper divisors (51714201134).

90860517394 is a wasteful number, since it uses less digits than its factorization.

90860517394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975809.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 90860517394 in words is "ninety billion, eight hundred sixty million, five hundred seventeen thousand, three hundred ninety-four".