90833393774 has 4 divisors (see below), whose sum is σ = 136250090664. Its totient is φ = 45416696886.

The previous prime is 90833393737. The next prime is 90833393813. The reversal of 90833393774 is 47739333809.

It is a happy number.

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

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, 22708348442 + ... + 22708348445.

It is an arithmetic number, because the mean of its divisors is an integer number (34062522666).

Almost surely, 2^90833393774 is an apocalyptic number.

90833393774 is a deficient number, since it is larger than the sum of its proper divisors (45416696890).

90833393774 is a wasteful number, since it uses less digits than its factorization.

90833393774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45416696889.

The product of its (nonzero) digits is 10287648, while the sum is 56.

The spelling of 90833393774 in words is "ninety billion, eight hundred thirty-three million, three hundred ninety-three thousand, seven hundred seventy-four".