87136010 has 48 divisors (see below), whose sum is σ = 175154616. Its totient is φ = 31024896.

The previous prime is 87136003. The next prime is 87136057. The reversal of 87136010 is 1063178.

It can be written as a sum of positive squares in 12 ways, for example, as 1776889 + 85359121 = 1333^2 + 9239^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108932 + ... + 109728.

Almost surely, 2^87136010 is an apocalyptic number.

87136010 is an abundant number, since it is smaller than the sum of its proper divisors (88018606).

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

87136010 is a wasteful number, since it uses less digits than its factorization.

87136010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 87136010 is about 9334.6671070799. The cubic root of 87136010 is about 443.3355487606.

Adding to 87136010 its reverse (1063178), we get a palindrome (88199188).

The spelling of 87136010 in words is "eighty-seven million, one hundred thirty-six thousand, ten".