90777610190 has 16 divisors (see below), whose sum is σ = 165701103840. Its totient is φ = 35799620640.

The previous prime is 90777610181. The next prime is 90777610193. The reversal of 90777610190 is 9101677709.

It is a super-2 number, since 2×90777610190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90777610193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63927185 + ... + 63928604.

It is an arithmetic number, because the mean of its divisors is an integer number (10356318990).

Almost surely, 2^90777610190 is an apocalyptic number.

90777610190 is a deficient number, since it is larger than the sum of its proper divisors (74923493650).

90777610190 is a wasteful number, since it uses less digits than its factorization.

90777610190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127855867.

The product of its (nonzero) digits is 166698, while the sum is 47.

The spelling of 90777610190 in words is "ninety billion, seven hundred seventy-seven million, six hundred ten thousand, one hundred ninety".