90277923 has 8 divisors (see below), whose sum is σ = 120851136. Its totient is φ = 59945000.

The previous prime is 90277909. The next prime is 90277927. The reversal of 90277923 is 32977209.

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

It is a cyclic number.

It is not a de Polignac number, because 90277923 - 2⁴ = 90277907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90277927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59193 + ... + 60698.

It is an arithmetic number, because the mean of its divisors is an integer number (15106392).

Almost surely, 2^90277923 is an apocalyptic number.

90277923 is a deficient number, since it is larger than the sum of its proper divisors (30573213).

90277923 is a wasteful number, since it uses less digits than its factorization.

90277923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120145.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 90277923 is about 9501.4695179220. The cubic root of 90277923 is about 448.6012915493.

The spelling of 90277923 in words is "ninety million, two hundred seventy-seven thousand, nine hundred twenty-three".