87162925 has 12 divisors (see below), whose sum is σ = 110719476. Its totient is φ = 68028800.

The previous prime is 87162923. The next prime is 87162931. The reversal of 87162925 is 52926178.

It can be written as a sum of positive squares in 6 ways, for example, as 20675209 + 66487716 = 4547^2 + 8154^2 .

It is not a de Polignac number, because 87162925 - 2¹ = 87162923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87162923) 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, 41494 + ... + 43543.

It is an arithmetic number, because the mean of its divisors is an integer number (9226623).

Almost surely, 2^87162925 is an apocalyptic number.

It is an amenable number.

87162925 is a deficient number, since it is larger than the sum of its proper divisors (23556551).

87162925 is a wasteful number, since it uses less digits than its factorization.

87162925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85088 (or 85083 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 87162925 is about 9336.1086647489. The cubic root of 87162925 is about 443.3811906176.

The spelling of 87162925 in words is "eighty-seven million, one hundred sixty-two thousand, nine hundred twenty-five".