89842078280 has 16 divisors (see below), whose sum is σ = 202144676220. Its totient is φ = 35936831296.

The previous prime is 89842078279. The next prime is 89842078297. The reversal of 89842078280 is 8287024898.

It can be written as a sum of positive squares in 2 ways, for example, as 89770945924 + 71132356 = 299618^2 + 8434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123025939 + ... + 1123026018.

Almost surely, 2^89842078280 is an apocalyptic number.

It is an amenable number.

89842078280 is an abundant number, since it is smaller than the sum of its proper divisors (112302597940).

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

89842078280 is a wasteful number, since it uses less digits than its factorization.

89842078280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246051968 (or 2246051964 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 56.

The spelling of 89842078280 in words is "eighty-nine billion, eight hundred forty-two million, seventy-eight thousand, two hundred eighty".