89477079 has 4 divisors (see below), whose sum is σ = 119302776. Its totient is φ = 59651384.

The previous prime is 89477053. The next prime is 89477081. The reversal of 89477079 is 97077498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89477079 - 2²⁰ = 88428503 is a prime.

It is a super-2 number, since 2×89477079² = 16012295332744482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89477009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14912844 + ... + 14912849.

It is an arithmetic number, because the mean of its divisors is an integer number (29825694).

Almost surely, 2^89477079 is an apocalyptic number.

89477079 is a deficient number, since it is larger than the sum of its proper divisors (29825697).

89477079 is a wasteful number, since it uses less digits than its factorization.

89477079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29825696.

The product of its (nonzero) digits is 889056, while the sum is 51.

The square root of 89477079 is about 9459.2324741493. The cubic root of 89477079 is about 447.2708546685.

The spelling of 89477079 in words is "eighty-nine million, four hundred seventy-seven thousand, seventy-nine".