87225762 has 32 divisors (see below), whose sum is σ = 188358912. Its totient is φ = 26769024.

The previous prime is 87225709. The next prime is 87225767. The reversal of 87225762 is 26752278.

It is a super-4 number, since 4×87225762⁴ (a number of 33 digits) contains 4444 as substring.

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 87225762.

It is not an unprimeable number, because it can be changed into a prime (87225767) 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, 34423 + ... + 36869.

It is an arithmetic number, because the mean of its divisors is an integer number (5886216).

Almost surely, 2^87225762 is an apocalyptic number.

87225762 is an abundant number, since it is smaller than the sum of its proper divisors (101133150).

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

87225762 is a wasteful number, since it uses less digits than its factorization.

87225762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922.

The product of its digits is 94080, while the sum is 39.

The square root of 87225762 is about 9339.4733256217. The cubic root of 87225762 is about 443.4877116394.

The spelling of 87225762 in words is "eighty-seven million, two hundred twenty-five thousand, seven hundred sixty-two".