87623542 has 32 divisors (see below), whose sum is σ = 142331904. Its totient is φ = 40310400.

The previous prime is 87623533. The next prime is 87623581. The reversal of 87623542 is 24532678.

It is a super-2 number, since 2×87623542² = 15355770225251528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458667 + ... + 458857.

It is an arithmetic number, because the mean of its divisors is an integer number (4447872).

Almost surely, 2^87623542 is an apocalyptic number.

87623542 is a deficient number, since it is larger than the sum of its proper divisors (54708362).

87623542 is a wasteful number, since it uses less digits than its factorization.

87623542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its digits is 80640, while the sum is 37.

The square root of 87623542 is about 9360.7447353296. The cubic root of 87623542 is about 444.1608424921.

The spelling of 87623542 in words is "eighty-seven million, six hundred twenty-three thousand, five hundred forty-two".