87130263 has 16 divisors (see below), whose sum is σ = 126951552. Its totient is φ = 52716000.

The previous prime is 87130259. The next prime is 87130273. The reversal of 87130263 is 36203178.

It is not a de Polignac number, because 87130263 - 2² = 87130259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87130263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87130273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20893 + ... + 24713.

It is an arithmetic number, because the mean of its divisors is an integer number (7934472).

Almost surely, 2^87130263 is an apocalyptic number.

87130263 is a deficient number, since it is larger than the sum of its proper divisors (39821289).

87130263 is a wasteful number, since it uses less digits than its factorization.

87130263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526.

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

The square root of 87130263 is about 9334.3592709944. The cubic root of 87130263 is about 443.3258019085.

The spelling of 87130263 in words is "eighty-seven million, one hundred thirty thousand, two hundred sixty-three".