89980669 has 8 divisors (see below), whose sum is σ = 94127040. Its totient is φ = 85853856.

The previous prime is 89980663. The next prime is 89980679. The reversal of 89980669 is 96608998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89980669 - 2³ = 89980661 is a prime.

It is a super-2 number, since 2×89980669² = 16193041587375122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89980661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4969 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (11765880).

Almost surely, 2^89980669 is an apocalyptic number.

It is an amenable number.

89980669 is a deficient number, since it is larger than the sum of its proper divisors (4146371).

89980669 is a wasteful number, since it uses less digits than its factorization.

89980669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 89980669 is about 9485.8140926333. The cubic root of 89980669 is about 448.1083871601.

The spelling of 89980669 in words is "eighty-nine million, nine hundred eighty thousand, six hundred sixty-nine".