90377822918 has 8 divisors (see below), whose sum is σ = 142701825720. Its totient is φ = 42810547680.

The previous prime is 90377822917. The next prime is 90377822923. The reversal of 90377822918 is 81922877309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90377822917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189181843 + ... + 1189181918.

It is an arithmetic number, because the mean of its divisors is an integer number (17837728215).

Almost surely, 2^90377822918 is an apocalyptic number.

90377822918 is a deficient number, since it is larger than the sum of its proper divisors (52324002802).

90377822918 is a wasteful number, since it uses less digits than its factorization.

90377822918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378363782.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 90377822918 in words is "ninety billion, three hundred seventy-seven million, eight hundred twenty-two thousand, nine hundred eighteen".