87010291 has 8 divisors (see below), whose sum is σ = 91743120. Its totient is φ = 82292832.

The previous prime is 87010279. The next prime is 87010303. The reversal of 87010291 is 19201078.

It is an interprime number because it is at equal distance from previous prime (87010279) and next prime (87010303).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87010291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87010271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8901 + ... + 15913.

It is an arithmetic number, because the mean of its divisors is an integer number (11467890).

Almost surely, 2^87010291 is an apocalyptic number.

87010291 is a deficient number, since it is larger than the sum of its proper divisors (4732829).

87010291 is a wasteful number, since it uses less digits than its factorization.

87010291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 87010291 is about 9327.9306922811. The cubic root of 87010291 is about 443.1222327108.

The spelling of 87010291 in words is "eighty-seven million, ten thousand, two hundred ninety-one".