89854656625 has 8 divisors (see below), whose sum is σ = 112138611624. Its totient is φ = 71883725200.

The previous prime is 89854656613. The next prime is 89854656637. The reversal of 89854656625 is 52665645898.

It is an interprime number because it is at equal distance from previous prime (89854656613) and next prime (89854656637).

It can be written as a sum of positive squares in 4 ways, for example, as 27045775936 + 62808880689 = 164456^2 + 250617^2 .

It is not a de Polignac number, because 89854656625 - 2⁷ = 89854656497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359418502 + ... + 359418751.

It is an arithmetic number, because the mean of its divisors is an integer number (14017326453).

Almost surely, 2^89854656625 is an apocalyptic number.

It is an amenable number.

89854656625 is a deficient number, since it is larger than the sum of its proper divisors (22283954999).

89854656625 is an equidigital number, since it uses as much as digits as its factorization.

89854656625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718837268 (or 718837258 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 64.

The spelling of 89854656625 in words is "eighty-nine billion, eight hundred fifty-four million, six hundred fifty-six thousand, six hundred twenty-five".