87701652 has 36 divisors (see below), whose sum is σ = 225330196. Its totient is φ = 28753920.

The previous prime is 87701651. The next prime is 87701687. The reversal of 87701652 is 25610778.

It can be written as a sum of positive squares in 2 ways, for example, as 34644996 + 53056656 = 5886^2 + 7284^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87701651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17773 + ... + 22164.

Almost surely, 2^87701652 is an apocalyptic number.

It is an amenable number.

87701652 is an abundant number, since it is smaller than the sum of its proper divisors (137628544).

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

87701652 is a wasteful number, since it uses less digits than its factorization.

87701652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40008 (or 40003 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 87701652 is about 9364.9160167083. The cubic root of 87701652 is about 444.2927822990.

The spelling of 87701652 in words is "eighty-seven million, seven hundred one thousand, six hundred fifty-two".