97887423 has 4 divisors (see below), whose sum is σ = 130516568. Its totient is φ = 65258280.

The previous prime is 97887407. The next prime is 97887443. The reversal of 97887423 is 32478879.

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

It is not a de Polignac number, because 97887423 - 2⁴ = 97887407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97887443) 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, 16314568 + ... + 16314573.

It is an arithmetic number, because the mean of its divisors is an integer number (32629142).

Almost surely, 2^97887423 is an apocalyptic number.

97887423 is a deficient number, since it is larger than the sum of its proper divisors (32629145).

97887423 is a wasteful number, since it uses less digits than its factorization.

97887423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32629144.

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

The square root of 97887423 is about 9893.8073055826. The cubic root of 97887423 is about 460.8670210571.

The spelling of 97887423 in words is "ninety-seven million, eight hundred eighty-seven thousand, four hundred twenty-three".