89690996736 has 312 divisors, whose sum is σ = 293131513584. Its totient is φ = 27179089920.

The previous prime is 89690996699. The next prime is 89690996737. The reversal of 89690996736 is 63769909698.

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

It is not an unprimeable number, because it can be changed into a prime (89690996737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8153726971 + ... + 8153726981.

It is an arithmetic number, because the mean of its divisors is an integer number (939524082).

Almost surely, 2^89690996736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89690996736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146565756792).

89690996736 is an abundant number, since it is smaller than the sum of its proper divisors (203440516848).

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

89690996736 is an frugal number, since it uses more digits than its factorization.

89690996736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 16 counting only the distinct ones).

The product of its (nonzero) digits is 238085568, while the sum is 72.

The spelling of 89690996736 in words is "eighty-nine billion, six hundred ninety million, nine hundred ninety-six thousand, seven hundred thirty-six".