87622375 has 24 divisors (see below), whose sum is σ = 112235760. Its totient is φ = 68277600.

The previous prime is 87622361. The next prime is 87622391. The reversal of 87622375 is 57322678.

It is not a de Polignac number, because 87622375 - 2¹⁹ = 87098087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 803821 + ... + 803929.

It is an arithmetic number, because the mean of its divisors is an integer number (4676490).

Almost surely, 2^87622375 is an apocalyptic number.

87622375 is a deficient number, since it is larger than the sum of its proper divisors (24613385).

87622375 is an equidigital number, since it uses as much as digits as its factorization.

87622375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 173 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 87622375 is about 9360.6824003381. The cubic root of 87622375 is about 444.1588706552.

The spelling of 87622375 in words is "eighty-seven million, six hundred twenty-two thousand, three hundred seventy-five".