990516883 has 4 divisors (see below), whose sum is σ = 1048782600. Its totient is φ = 932251168.

The previous prime is 990516853. The next prime is 990516959. The reversal of 990516883 is 388615099.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 990516883 - 2²⁵ = 956962451 is a prime.

It is a super-2 number, since 2×990516883² = 1962247391016071378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990516823) 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, 29132833 + ... + 29132866.

It is an arithmetic number, because the mean of its divisors is an integer number (262195650).

Almost surely, 2^990516883 is an apocalyptic number.

990516883 is a deficient number, since it is larger than the sum of its proper divisors (58265717).

990516883 is a wasteful number, since it uses less digits than its factorization.

990516883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58265716.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 990516883 is about 31472.4781833271. The cubic root of 990516883 is about 996.8289158546.

The spelling of 990516883 in words is "nine hundred ninety million, five hundred sixteen thousand, eight hundred eighty-three".