89904621366648 has 96 divisors (see below), whose sum is σ = 279607674153600. Its totient is φ = 25809939144000.

The previous prime is 89904621366641. The next prime is 89904621366653. The reversal of 89904621366648 is 84666312640998.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89904621366641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2987246428 + ... + 2987276523.

It is an arithmetic number, because the mean of its divisors is an integer number (2912579939100).

Almost surely, 2^{89904621366648} is an apocalyptic number.

89904621366648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

89904621366648 is an abundant number, since it is smaller than the sum of its proper divisors (189703052786952).

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

89904621366648 is a wasteful number, since it uses less digits than its factorization.

89904621366648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974522993 (or 5974522986 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 72.

The spelling of 89904621366648 in words is "eighty-nine trillion, nine hundred four billion, six hundred twenty-one million, three hundred sixty-six thousand, six hundred forty-eight".