87071502 has 16 divisors (see below), whose sum is σ = 199020672. Its totient is φ = 24877560.

The previous prime is 87071497. The next prime is 87071513. The reversal of 87071502 is 20517078.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 87071502.

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, 1036524 + ... + 1036607.

It is an arithmetic number, because the mean of its divisors is an integer number (12438792).

Almost surely, 2^87071502 is an apocalyptic number.

87071502 is an abundant number, since it is smaller than the sum of its proper divisors (111949170).

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

87071502 is a wasteful number, since it uses less digits than its factorization.

87071502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073143.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 87071502 is about 9331.2111754048. The cubic root of 87071502 is about 443.2261192614.

The spelling of 87071502 in words is "eighty-seven million, seventy-one thousand, five hundred two".