87057282 has 32 divisors (see below), whose sum is σ = 188512128. Its totient is φ = 26643456.

The previous prime is 87057281. The next prime is 87057283. The reversal of 87057282 is 28275078.

It is an interprime number because it is at equal distance from previous prime (87057281) and next prime (87057283).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 87057282.

It is not an unprimeable number, because it can be changed into a prime (87057281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12163 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (5891004).

Almost surely, 2^87057282 is an apocalyptic number.

87057282 is an abundant number, since it is smaller than the sum of its proper divisors (101454846).

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

87057282 is a wasteful number, since it uses less digits than its factorization.

87057282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 87057282 is about 9330.4491853286. The cubic root of 87057282 is about 443.2019895963.

The spelling of 87057282 in words is "eighty-seven million, fifty-seven thousand, two hundred eighty-two".