87272810 has 32 divisors (see below), whose sum is σ = 164453760. Its totient is φ = 33283008.

The previous prime is 87272807. The next prime is 87272813. The reversal of 87272810 is 1827278.

It is an interprime number because it is at equal distance from previous prime (87272807) and next prime (87272813).

It is a super-2 number, since 2×87272810² = 15233086730592200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87272813) 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, 140681 + ... + 141299.

It is an arithmetic number, because the mean of its divisors is an integer number (5139180).

Almost surely, 2^87272810 is an apocalyptic number.

87272810 is a deficient number, since it is larger than the sum of its proper divisors (77180950).

87272810 is a wasteful number, since it uses less digits than its factorization.

87272810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 87272810 is about 9341.9917576500. The cubic root of 87272810 is about 443.5674337271.

The spelling of 87272810 in words is "eighty-seven million, two hundred seventy-two thousand, eight hundred ten".