89778696 has 64 divisors (see below), whose sum is σ = 258076800. Its totient is φ = 25494528.

The previous prime is 89778691. The next prime is 89778709. The reversal of 89778696 is 69687798.

It is not an unprimeable number, because it can be changed into a prime (89778691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27520 + ... + 30608.

It is an arithmetic number, because the mean of its divisors is an integer number (4032450).

Almost surely, 2^89778696 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 89778696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129038400).

89778696 is an abundant number, since it is smaller than the sum of its proper divisors (168298104).

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

89778696 is a wasteful number, since it uses less digits than its factorization.

89778696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3274 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The square root of 89778696 is about 9475.1620566616. The cubic root of 89778696 is about 447.7728573250.

The spelling of 89778696 in words is "eighty-nine million, seven hundred seventy-eight thousand, six hundred ninety-six".