89387990800 has 30 divisors (see below), whose sum is σ = 214754648858. Its totient is φ = 35755196160.

The previous prime is 89387990771. The next prime is 89387990801. The reversal of 89387990800 is 809978398.

It can be written as a sum of positive squares in 3 ways, for example, as 21306657024 + 68081333776 = 145968^2 + 260924^2 .

It is not an unprimeable number, because it can be changed into a prime (89387990801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111734589 + ... + 111735388.

Almost surely, 2^89387990800 is an apocalyptic number.

89387990800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89387990800 is an abundant number, since it is smaller than the sum of its proper divisors (125366658058).

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

89387990800 is a wasteful number, since it uses less digits than its factorization.

89387990800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223469995 (or 223469984 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 89387990800 in words is "eighty-nine billion, three hundred eighty-seven million, nine hundred ninety thousand, eight hundred".