90797950 has 12 divisors (see below), whose sum is σ = 168884280. Its totient is φ = 36319160.

The previous prime is 90797923. The next prime is 90797999. The reversal of 90797950 is 5979709.

It is a self number, because there is not a number n which added to its sum of digits gives 90797950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 907930 + ... + 908029.

It is an arithmetic number, because the mean of its divisors is an integer number (14073690).

Almost surely, 2^90797950 is an apocalyptic number.

90797950 is a deficient number, since it is larger than the sum of its proper divisors (78086330).

90797950 is a wasteful number, since it uses less digits than its factorization.

90797950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815971 (or 1815966 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 46.

The square root of 90797950 is about 9528.7958315833. The cubic root of 90797950 is about 449.4610007479.

The spelling of 90797950 in words is "ninety million, seven hundred ninety-seven thousand, nine hundred fifty".