90776190648 has 64 divisors (see below), whose sum is σ = 266615395200. Its totient is φ = 25391940480.

The previous prime is 90776190647. The next prime is 90776190667. The reversal of 90776190648 is 84609167709.

It is a super-3 number, since 3×90776190648³ (a number of 34 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90776190647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13221538 + ... + 13228401.

It is an arithmetic number, because the mean of its divisors is an integer number (4165865550).

Almost surely, 2^90776190648 is an apocalyptic number.

It is an amenable number.

90776190648 is an abundant number, since it is smaller than the sum of its proper divisors (175839204552).

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

90776190648 is a wasteful number, since it uses less digits than its factorization.

90776190648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26449972 (or 26449968 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 90776190648 in words is "ninety billion, seven hundred seventy-six million, one hundred ninety thousand, six hundred forty-eight".