87272285 has 8 divisors (see below), whose sum is σ = 108105216. Its totient is φ = 67565520.

The previous prime is 87272249. The next prime is 87272299. The reversal of 87272285 is 58227278.

It is a happy number.

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

It is not a de Polignac number, because 87272285 - 2¹² = 87268189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281369 + ... + 281678.

It is an arithmetic number, because the mean of its divisors is an integer number (13513152).

Almost surely, 2^87272285 is an apocalyptic number.

It is an amenable number.

87272285 is a deficient number, since it is larger than the sum of its proper divisors (20832931).

87272285 is a wasteful number, since it uses less digits than its factorization.

87272285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563083.

The product of its digits is 125440, while the sum is 41.

The square root of 87272285 is about 9341.9636586748. The cubic root of 87272285 is about 443.5665442810.

The spelling of 87272285 in words is "eighty-seven million, two hundred seventy-two thousand, two hundred eighty-five".