90379388071 has 4 divisors (see below), whose sum is σ = 103290729232. Its totient is φ = 77468046912.

The previous prime is 90379388063. The next prime is 90379388101. The reversal of 90379388071 is 17088397309.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90379388071 - 2³ = 90379388063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90379388051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6455670570 + ... + 6455670583.

It is an arithmetic number, because the mean of its divisors is an integer number (25822682308).

Almost surely, 2^90379388071 is an apocalyptic number.

90379388071 is a deficient number, since it is larger than the sum of its proper divisors (12911341161).

90379388071 is a wasteful number, since it uses less digits than its factorization.

90379388071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911341160.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 90379388071 in words is "ninety billion, three hundred seventy-nine million, three hundred eighty-eight thousand, seventy-one".