89029897 has 4 divisors (see below), whose sum is σ = 97123536. Its totient is φ = 80936260.

The previous prime is 89029883. The next prime is 89029903. The reversal of 89029897 is 79892098.

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 a cyclic number.

It is not a de Polignac number, because 89029897 - 2⁷ = 89029769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89029817) 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, 4046803 + ... + 4046824.

It is an arithmetic number, because the mean of its divisors is an integer number (24280884).

Almost surely, 2^89029897 is an apocalyptic number.

It is an amenable number.

89029897 is a deficient number, since it is larger than the sum of its proper divisors (8093639).

89029897 is a wasteful number, since it uses less digits than its factorization.

89029897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093638.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 89029897 is about 9435.5655368399. The cubic root of 89029897 is about 446.5244974013.

The spelling of 89029897 in words is "eighty-nine million, twenty-nine thousand, eight hundred ninety-seven".