8873990399 has 4 divisors (see below), whose sum is σ = 8899129536. Its totient is φ = 8848851264.

The previous prime is 8873990371. The next prime is 8873990443. The reversal of 8873990399 is 9930993788.

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

It is a cyclic number.

It is not a de Polignac number, because 8873990399 - 2⁸ = 8873990143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8873990999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12569039 + ... + 12569744.

It is an arithmetic number, because the mean of its divisors is an integer number (2224782384).

Almost surely, 2^8873990399 is an apocalyptic number.

8873990399 is a deficient number, since it is larger than the sum of its proper divisors (25139137).

8873990399 is a wasteful number, since it uses less digits than its factorization.

8873990399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25139136.

The product of its (nonzero) digits is 26453952, while the sum is 65.

The square root of 8873990399 is about 94201.8598489435. The cubic root of 8873990399 is about 2070.3303633072.

The spelling of 8873990399 in words is "eight billion, eight hundred seventy-three million, nine hundred ninety thousand, three hundred ninety-nine".