89736978000 has 160 divisors (see below), whose sum is σ = 294056036352. Its totient is φ = 23537472000.

The previous prime is 89736977989. The next prime is 89736978013. The reversal of 89736978000 is 87963798.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243409 + ... + 488591.

Almost surely, 2^89736978000 is an apocalyptic number.

89736978000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89736978000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147028018176).

89736978000 is an abundant number, since it is smaller than the sum of its proper divisors (204319058352).

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

89736978000 is a wasteful number, since it uses less digits than its factorization.

89736978000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245270 (or 245254 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 89736978000 in words is "eighty-nine billion, seven hundred thirty-six million, nine hundred seventy-eight thousand".