89755797 has 4 divisors (see below), whose sum is σ = 119674400. Its totient is φ = 59837196.

The previous prime is 89755793. The next prime is 89755807. The reversal of 89755797 is 79755798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 89755797 - 2² = 89755793 is a prime.

It is a super-2 number, since 2×89755797² = 16112206190210418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89755793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14959297 + ... + 14959302.

It is an arithmetic number, because the mean of its divisors is an integer number (29918600).

Almost surely, 2^89755797 is an apocalyptic number.

It is an amenable number.

89755797 is a deficient number, since it is larger than the sum of its proper divisors (29918603).

89755797 is a wasteful number, since it uses less digits than its factorization.

89755797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29918602.

The product of its digits is 5556600, while the sum is 57.

The square root of 89755797 is about 9473.9536097661. The cubic root of 89755797 is about 447.7347843634.

Subtracting from 89755797 its reverse (79755798), we obtain a palindrome (9999999).

The spelling of 89755797 in words is "eighty-nine million, seven hundred fifty-five thousand, seven hundred ninety-seven".