88997697 has 10 divisors (see below), whose sum is σ = 132947298. Its totient is φ = 59331744.

The previous prime is 88997693. The next prime is 88997707. The reversal of 88997697 is 79679988.

It can be written as a sum of positive squares in only one way, i.e., 82464561 + 6533136 = 9081^2 + 2556^2 .

It is not a de Polignac number, because 88997697 - 2² = 88997693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88997693) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 549288 + ... + 549449.

Almost surely, 2^88997697 is an apocalyptic number.

It is an amenable number.

88997697 is a deficient number, since it is larger than the sum of its proper divisors (43949601).

88997697 is a wasteful number, since it uses less digits than its factorization.

88997697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098749 (or 1098740 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The square root of 88997697 is about 9433.8590725111. The cubic root of 88997697 is about 446.4706584736.

The spelling of 88997697 in words is "eighty-eight million, nine hundred ninety-seven thousand, six hundred ninety-seven".