87223975 has 6 divisors (see below), whose sum is σ = 108157760. Its totient is φ = 69779160.

The previous prime is 87223951. The next prime is 87224051. The reversal of 87223975 is 57932278.

It is not a de Polignac number, because 87223975 - 2⁵ = 87223943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1744455 + ... + 1744504.

Almost surely, 2^87223975 is an apocalyptic number.

87223975 is a deficient number, since it is larger than the sum of its proper divisors (20933785).

87223975 is a wasteful number, since it uses less digits than its factorization.

87223975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488969 (or 3488964 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 87223975 is about 9339.3776559255. The cubic root of 87223975 is about 443.4846830312.

The spelling of 87223975 in words is "eighty-seven million, two hundred twenty-three thousand, nine hundred seventy-five".