90836977 has 16 divisors (see below), whose sum is σ = 113808384. Its totient is φ = 70434000.

The previous prime is 90836939. The next prime is 90836981. The reversal of 90836977 is 77963809.

It is not a de Polignac number, because 90836977 - 2⁷ = 90836849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90836977.

It is not an unprimeable number, because it can be changed into a prime (90836927) 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, 13452 + ... + 19042.

It is an arithmetic number, because the mean of its divisors is an integer number (7113024).

Almost surely, 2^90836977 is an apocalyptic number.

It is an amenable number.

90836977 is a deficient number, since it is larger than the sum of its proper divisors (22971407).

90836977 is a wasteful number, since it uses less digits than its factorization.

90836977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 90836977 is about 9530.8434569035. The cubic root of 90836977 is about 449.5253876710.

The spelling of 90836977 in words is "ninety million, eight hundred thirty-six thousand, nine hundred seventy-seven".