87267968 has 16 divisors (see below), whose sum is σ = 173854410. Its totient is φ = 43633920.

The previous prime is 87267949. The next prime is 87267977. The reversal of 87267968 is 86976278.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 40043584 = 6872^2 + 6328^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340763 + ... + 341018.

Almost surely, 2^87267968 is an apocalyptic number.

It is an amenable number.

87267968 is a deficient number, since it is larger than the sum of its proper divisors (86586442).

87267968 is an equidigital number, since it uses as much as digits as its factorization.

87267968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681795 (or 681783 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 87267968 is about 9341.7326016109. The cubic root of 87267968 is about 443.5592303579.

The spelling of 87267968 in words is "eighty-seven million, two hundred sixty-seven thousand, nine hundred sixty-eight".