90787332603879 has 12 divisors (see below), whose sum is σ = 131233611829632. Its totient is φ = 60480417499200.

The previous prime is 90787332603833. The next prime is 90787332603883. The reversal of 90787332603879 is 97830623378709.

90787332603879 is a `hidden beast` number, since 9 + 0 + 7 + 8 + 7 + 3 + 3 + 2 + 603 + 8 + 7 + 9 = 666.

It is not a de Polignac number, because 90787332603879 - 2³³ = 90778742669287 is a prime.

It is a super-2 number, since 2×90787332603879² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90787332603679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3705895687 + ... + 3705920184.

It is an arithmetic number, because the mean of its divisors is an integer number (10936134319136).

Almost surely, 2^{90787332603879} is an apocalyptic number.

90787332603879 is a deficient number, since it is larger than the sum of its proper divisors (40446279225753).

90787332603879 is a wasteful number, since it uses less digits than its factorization.

90787332603879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411817238 (or 7411817235 counting only the distinct ones).

The product of its (nonzero) digits is 576108288, while the sum is 72.

The spelling of 90787332603879 in words is "ninety trillion, seven hundred eighty-seven billion, three hundred thirty-two million, six hundred three thousand, eight hundred seventy-nine".