90832255678 has 4 divisors (see below), whose sum is σ = 136248383520. Its totient is φ = 45416127838.

The previous prime is 90832255649. The next prime is 90832255693. The reversal of 90832255678 is 87655223809.

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, 22708063918 + ... + 22708063921.

It is an arithmetic number, because the mean of its divisors is an integer number (34062095880).

Almost surely, 2^90832255678 is an apocalyptic number.

90832255678 is a deficient number, since it is larger than the sum of its proper divisors (45416127842).

90832255678 is a wasteful number, since it uses less digits than its factorization.

90832255678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45416127841.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 90832255678 in words is "ninety billion, eight hundred thirty-two million, two hundred fifty-five thousand, six hundred seventy-eight".