90677823 has 16 divisors (see below), whose sum is σ = 127948800. Its totient is φ = 56963520.

The previous prime is 90677819. The next prime is 90677833. The reversal of 90677823 is 32877609.

It is not a de Polignac number, because 90677823 - 2² = 90677819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90677803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6723 + ... + 15051.

It is an arithmetic number, because the mean of its divisors is an integer number (7996800).

Almost surely, 2^90677823 is an apocalyptic number.

90677823 is a deficient number, since it is larger than the sum of its proper divisors (37270977).

90677823 is a wasteful number, since it uses less digits than its factorization.

90677823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 90677823 is about 9522.4903780471. The cubic root of 90677823 is about 449.2626988036.

The spelling of 90677823 in words is "ninety million, six hundred seventy-seven thousand, eight hundred twenty-three".