87413133 has 16 divisors (see below), whose sum is σ = 128774016. Its totient is φ = 52462080.

The previous prime is 87413119. The next prime is 87413171. The reversal of 87413133 is 33131478.

It is not a de Polignac number, because 87413133 - 2¹² = 87409037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87413133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87413173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36088 + ... + 38433.

It is an arithmetic number, because the mean of its divisors is an integer number (8048376).

Almost surely, 2^87413133 is an apocalyptic number.

It is an amenable number.

87413133 is a deficient number, since it is larger than the sum of its proper divisors (41360883).

87413133 is a wasteful number, since it uses less digits than its factorization.

87413133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74564.

The product of its digits is 6048, while the sum is 30.

The square root of 87413133 is about 9349.4990774907. The cubic root of 87413133 is about 443.8050387858.

The spelling of 87413133 in words is "eighty-seven million, four hundred thirteen thousand, one hundred thirty-three".