87551092 has 6 divisors (see below), whose sum is σ = 153214418. Its totient is φ = 43775544.

The previous prime is 87551077. The next prime is 87551117. The reversal of 87551092 is 29015578.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 40271716 = 6876^2 + 6346^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10943883 + ... + 10943890.

Almost surely, 2^87551092 is an apocalyptic number.

It is an amenable number.

87551092 is a deficient number, since it is larger than the sum of its proper divisors (65663326).

87551092 is a wasteful number, since it uses less digits than its factorization.

87551092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21887777 (or 21887775 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 87551092 is about 9356.8740506646. The cubic root of 87551092 is about 444.0383931846.

The spelling of 87551092 in words is "eighty-seven million, five hundred fifty-one thousand, ninety-two".