87406267 has 16 divisors (see below), whose sum is σ = 98122752. Its totient is φ = 77312160.

The previous prime is 87406223. The next prime is 87406271. The reversal of 87406267 is 76260478.

It is a cyclic number.

It is not a de Polignac number, because 87406267 - 2¹⁹ = 86881979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87406567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42108 + ... + 44134.

It is an arithmetic number, because the mean of its divisors is an integer number (6132672).

Almost surely, 2^87406267 is an apocalyptic number.

87406267 is a deficient number, since it is larger than the sum of its proper divisors (10716485).

87406267 is a wasteful number, since it uses less digits than its factorization.

87406267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 87406267 is about 9349.1318848329. The cubic root of 87406267 is about 443.7934186967.

The spelling of 87406267 in words is "eighty-seven million, four hundred six thousand, two hundred sixty-seven".