89321025640 has 64 divisors (see below), whose sum is σ = 250562885760. Its totient is φ = 27840318720.

The previous prime is 89321025631. The next prime is 89321025719. The reversal of 89321025640 is 4652012398.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 89321025593 and 89321025602.

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, 14497087 + ... + 14503246.

It is an arithmetic number, because the mean of its divisors is an integer number (3915045090).

Almost surely, 2^89321025640 is an apocalyptic number.

It is an amenable number.

89321025640 is an abundant number, since it is smaller than the sum of its proper divisors (161241860120).

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

89321025640 is a wasteful number, since it uses less digits than its factorization.

89321025640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29000362 (or 29000358 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 89321025640 in words is "eighty-nine billion, three hundred twenty-one million, twenty-five thousand, six hundred forty".