899039764992 has 160 divisors (see below), whose sum is σ = 2526710155200. Its totient is φ = 283281850368.

The previous prime is 899039764991. The next prime is 899039764993. The reversal of 899039764992 is 299467930998.

It is an interprime number because it is at equal distance from previous prime (899039764991) and next prime (899039764993).

It is not an unprimeable number, because it can be changed into a prime (899039764991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13303384 + ... + 13370792.

It is an arithmetic number, because the mean of its divisors is an integer number (15791938470).

Almost surely, 2^899039764992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899039764992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263355077600).

899039764992 is an abundant number, since it is smaller than the sum of its proper divisors (1627670390208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899039764992 is a wasteful number, since it uses less digits than its factorization.

899039764992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67906 (or 67890 counting only the distinct ones).

The product of its (nonzero) digits is 476171136, while the sum is 75.

The spelling of 899039764992 in words is "eight hundred ninety-nine billion, thirty-nine million, seven hundred sixty-four thousand, nine hundred ninety-two".