90838252174 has 4 divisors (see below), whose sum is σ = 136257378264. Its totient is φ = 45419126086.

The previous prime is 90838252157. The next prime is 90838252201. The reversal of 90838252174 is 47125283809.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22709563042 + ... + 22709563045.

It is an arithmetic number, because the mean of its divisors is an integer number (34064344566).

Almost surely, 2^90838252174 is an apocalyptic number.

90838252174 is a deficient number, since it is larger than the sum of its proper divisors (45419126090).

90838252174 is a wasteful number, since it uses less digits than its factorization.

90838252174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45419126089.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 90838252174 in words is "ninety billion, eight hundred thirty-eight million, two hundred fifty-two thousand, one hundred seventy-four".