87523092 has 30 divisors (see below), whose sum is σ = 228803498. Its totient is φ = 29174256.

The previous prime is 87523091. The next prime is 87523099. The reversal of 87523092 is 29032578.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57972996 + 29550096 = 7614^2 + 5436^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87523091) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 134743 + ... + 135390.

Almost surely, 2^87523092 is an apocalyptic number.

It is an amenable number.

87523092 is an abundant number, since it is smaller than the sum of its proper divisors (141280406).

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

87523092 is a wasteful number, since it uses less digits than its factorization.

87523092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270149 (or 270138 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 87523092 is about 9355.3777048284. The cubic root of 87523092 is about 443.9910516823.

The spelling of 87523092 in words is "eighty-seven million, five hundred twenty-three thousand, ninety-two".