87423297 has 16 divisors (see below), whose sum is σ = 125700288. Its totient is φ = 53726400.

The previous prime is 87423293. The next prime is 87423307. The reversal of 87423297 is 79232478.

It is not a de Polignac number, because 87423297 - 2² = 87423293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87423293) 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, 49878 + ... + 51600.

It is an arithmetic number, because the mean of its divisors is an integer number (7856268).

Almost surely, 2^87423297 is an apocalyptic number.

It is an amenable number.

87423297 is a deficient number, since it is larger than the sum of its proper divisors (38276991).

87423297 is a wasteful number, since it uses less digits than its factorization.

87423297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040.

The product of its digits is 169344, while the sum is 42.

The square root of 87423297 is about 9350.0426202237. The cubic root of 87423297 is about 443.8222393271.

The spelling of 87423297 in words is "eighty-seven million, four hundred twenty-three thousand, two hundred ninety-seven".