87736325 has 6 divisors (see below), whose sum is σ = 108793074. Its totient is φ = 70189040.

The previous prime is 87736321. The next prime is 87736331. The reversal of 87736325 is 52363778.

It can be written as a sum of positive squares in 3 ways, for example, as 3500641 + 84235684 = 1871^2 + 9178^2 .

It is not a de Polignac number, because 87736325 - 2² = 87736321 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 (87736321) 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, 1754702 + ... + 1754751.

It is an arithmetic number, because the mean of its divisors is an integer number (18132179).

Almost surely, 2^87736325 is an apocalyptic number.

It is an amenable number.

87736325 is a deficient number, since it is larger than the sum of its proper divisors (21056749).

87736325 is a wasteful number, since it uses less digits than its factorization.

87736325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509463 (or 3509458 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 87736325 is about 9366.7670516566. The cubic root of 87736325 is about 444.3513252250.

The spelling of 87736325 in words is "eighty-seven million, seven hundred thirty-six thousand, three hundred twenty-five".