89472387 has 16 divisors (see below), whose sum is σ = 126008960. Its totient is φ = 56313792.

The previous prime is 89472353. The next prime is 89472391. The reversal of 89472387 is 78327498.

It is not a de Polignac number, because 89472387 - 2¹⁹ = 88948099 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89472307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14943 + ... + 20055.

It is an arithmetic number, because the mean of its divisors is an integer number (7875560).

Almost surely, 2^89472387 is an apocalyptic number.

89472387 is a deficient number, since it is larger than the sum of its proper divisors (36536573).

89472387 is a wasteful number, since it uses less digits than its factorization.

89472387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442.

The product of its digits is 677376, while the sum is 48.

The square root of 89472387 is about 9458.9844592324. The cubic root of 89472387 is about 447.2630365339.

The spelling of 89472387 in words is "eighty-nine million, four hundred seventy-two thousand, three hundred eighty-seven".