87274423 has 4 divisors (see below), whose sum is σ = 87402888. Its totient is φ = 87145960.

The previous prime is 87274357. The next prime is 87274459. The reversal of 87274423 is 32447278.

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 87274423 - 2¹⁷ = 87143351 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 (87271423) 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, 63208 + ... + 64573.

It is an arithmetic number, because the mean of its divisors is an integer number (21850722).

Almost surely, 2^87274423 is an apocalyptic number.

87274423 is a deficient number, since it is larger than the sum of its proper divisors (128465).

87274423 is a wasteful number, since it uses less digits than its factorization.

87274423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128464.

The product of its digits is 75264, while the sum is 37.

The square root of 87274423 is about 9342.0780878775. The cubic root of 87274423 is about 443.5701664219.

The spelling of 87274423 in words is "eighty-seven million, two hundred seventy-four thousand, four hundred twenty-three".