89426403648 has 56 divisors (see below), whose sum is σ = 262897071360. Its totient is φ = 29808800640.

The previous prime is 89426403643. The next prime is 89426403709. The reversal of 89426403648 is 84630462498.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 89426403594 and 89426403603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89426403641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25873968 + ... + 25877423.

It is an arithmetic number, because the mean of its divisors is an integer number (4694590560).

Almost surely, 2^89426403648 is an apocalyptic number.

It is an amenable number.

89426403648 is an abundant number, since it is smaller than the sum of its proper divisors (173470667712).

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

89426403648 is a wasteful number, since it uses less digits than its factorization.

89426403648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51751412 (or 51751396 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 89426403648 in words is "eighty-nine billion, four hundred twenty-six million, four hundred three thousand, six hundred forty-eight".