90316799 has 4 divisors (see below), whose sum is σ = 90518400. Its totient is φ = 90115200.

The previous prime is 90316789. The next prime is 90316847. The reversal of 90316799 is 99761309.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99761309 = 1987 ⋅50207.

It is a cyclic number.

It is not a de Polignac number, because 90316799 - 2⁸ = 90316543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90316769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100127 + ... + 101024.

It is an arithmetic number, because the mean of its divisors is an integer number (22629600).

Almost surely, 2^90316799 is an apocalyptic number.

90316799 is a deficient number, since it is larger than the sum of its proper divisors (201601).

90316799 is a wasteful number, since it uses less digits than its factorization.

90316799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201600.

The product of its (nonzero) digits is 91854, while the sum is 44.

The square root of 90316799 is about 9503.5150865351. The cubic root of 90316799 is about 448.6656754005.

The spelling of 90316799 in words is "ninety million, three hundred sixteen thousand, seven hundred ninety-nine".