899780087998 has 32 divisors (see below), whose sum is σ = 1485617137920. Its totient is φ = 405311544960.

The previous prime is 899780087953. The next prime is 899780088019.

899780087998 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19683693 + ... + 19729351.

It is an arithmetic number, because the mean of its divisors is an integer number (46425535560).

Almost surely, 2^899780087998 is an apocalyptic number.

899780087998 is a deficient number, since it is larger than the sum of its proper divisors (585837049922).

899780087998 is a wasteful number, since it uses less digits than its factorization.

899780087998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53712.

The product of its (nonzero) digits is 1316818944, while the sum is 82.

The spelling of 899780087998 in words is "eight hundred ninety-nine billion, seven hundred eighty million, eighty-seven thousand, nine hundred ninety-eight".