89639719000 has 64 divisors (see below), whose sum is σ = 225892124640. Its totient is φ = 33097737600.

The previous prime is 89639718983. The next prime is 89639719007. The reversal of 89639719000 is 91793698.

It is a super-2 number, since 2×89639719000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89639719007) 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, 3434682 + ... + 3460681.

Almost surely, 2^89639719000 is an apocalyptic number.

It is an amenable number.

89639719000 is an abundant number, since it is smaller than the sum of its proper divisors (136252405640).

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

89639719000 is a wasteful number, since it uses less digits than its factorization.

89639719000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895397 (or 6895383 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 89639719000 in words is "eighty-nine billion, six hundred thirty-nine million, seven hundred nineteen thousand".