90883457 has 4 divisors (see below), whose sum is σ = 103866816. Its totient is φ = 77900100.

The previous prime is 90883447. The next prime is 90883487. The reversal of 90883457 is 75438809.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90883457 - 2⁸ = 90883201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90883447) 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, 6491669 + ... + 6491682.

It is an arithmetic number, because the mean of its divisors is an integer number (25966704).

Almost surely, 2^90883457 is an apocalyptic number.

It is an amenable number.

90883457 is a deficient number, since it is larger than the sum of its proper divisors (12983359).

90883457 is a wasteful number, since it uses less digits than its factorization.

90883457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983358.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 90883457 is about 9533.2815441484. The cubic root of 90883457 is about 449.6020465311.

The spelling of 90883457 in words is "ninety million, eight hundred eighty-three thousand, four hundred fifty-seven".