89444170825 has 12 divisors (see below), whose sum is σ = 111035839680. Its totient is φ = 71474647760.

The previous prime is 89444170819. The next prime is 89444170831. The reversal of 89444170825 is 52807144498.

It is an interprime number because it is at equal distance from previous prime (89444170819) and next prime (89444170831).

It is not a de Polignac number, because 89444170825 - 2³⁵ = 55084432457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1994605 + ... + 2038954.

It is an arithmetic number, because the mean of its divisors is an integer number (9252986640).

Almost surely, 2^89444170825 is an apocalyptic number.

It is an amenable number.

89444170825 is a deficient number, since it is larger than the sum of its proper divisors (21591668855).

89444170825 is a wasteful number, since it uses less digits than its factorization.

89444170825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034456 (or 4034451 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 89444170825 in words is "eighty-nine billion, four hundred forty-four million, one hundred seventy thousand, eight hundred twenty-five".