90770398234 has 8 divisors (see below), whose sum is σ = 138463319520. Its totient is φ = 44615958396.

The previous prime is 90770398211. The next prime is 90770398289. The reversal of 90770398234 is 43289307709.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384620214 + ... + 384620449.

It is an arithmetic number, because the mean of its divisors is an integer number (17307914940).

Almost surely, 2^90770398234 is an apocalyptic number.

90770398234 is a deficient number, since it is larger than the sum of its proper divisors (47692921286).

90770398234 is a wasteful number, since it uses less digits than its factorization.

90770398234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769240724.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 90770398234 in words is "ninety billion, seven hundred seventy million, three hundred ninety-eight thousand, two hundred thirty-four".