87272871 has 24 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 47243952.

The previous prime is 87272869. The next prime is 87272873. The reversal of 87272871 is 17827278.

It is an interprime number because it is at equal distance from previous prime (87272869) and next prime (87272873).

It is not a de Polignac number, because 87272871 - 2¹ = 87272869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87272873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12831 + ... + 18416.

It is an arithmetic number, because the mean of its divisors is an integer number (5937120).

Almost surely, 2^87272871 is an apocalyptic number.

87272871 is a deficient number, since it is larger than the sum of its proper divisors (55218009).

87272871 is a wasteful number, since it uses less digits than its factorization.

87272871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31283 (or 31276 counting only the distinct ones).

The product of its digits is 87808, while the sum is 42.

The square root of 87272871 is about 9341.9950224778. The cubic root of 87272871 is about 443.5675370720.

The spelling of 87272871 in words is "eighty-seven million, two hundred seventy-two thousand, eight hundred seventy-one".