87886025 has 6 divisors (see below), whose sum is σ = 108978702. Its totient is φ = 70308800.

The previous prime is 87886021. The next prime is 87886027. The reversal of 87886025 is 52068878.

It can be written as a sum of positive squares in 3 ways, for example, as 8462281 + 79423744 = 2909^2 + 8912^2 .

It is not a de Polignac number, because 87886025 - 2² = 87886021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87886021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1757696 + ... + 1757745.

It is an arithmetic number, because the mean of its divisors is an integer number (18163117).

Almost surely, 2^87886025 is an apocalyptic number.

It is an amenable number.

87886025 is a deficient number, since it is larger than the sum of its proper divisors (21092677).

87886025 is a wasteful number, since it uses less digits than its factorization.

87886025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515451 (or 3515446 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 87886025 is about 9374.7546634565. The cubic root of 87886025 is about 444.6039062638.

The spelling of 87886025 in words is "eighty-seven million, eight hundred eighty-six thousand, twenty-five".