87652542 has 16 divisors (see below), whose sum is σ = 175430160. Its totient is φ = 29196672.

The previous prime is 87652507. The next prime is 87652559. The reversal of 87652542 is 24525678.

It is a self number, because there is not a number n which added to its sum of digits gives 87652542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5638 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (10964385).

Almost surely, 2^87652542 is an apocalyptic number.

87652542 is an abundant number, since it is smaller than the sum of its proper divisors (87777618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87652542 is a wasteful number, since it uses less digits than its factorization.

87652542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10427.

The product of its digits is 134400, while the sum is 39.

The square root of 87652542 is about 9362.2936292342. The cubic root of 87652542 is about 444.2098371017.

The spelling of 87652542 in words is "eighty-seven million, six hundred fifty-two thousand, five hundred forty-two".