87253347 has 6 divisors (see below), whose sum is σ = 116359372. Its totient is φ = 58158112.

The previous prime is 87253337. The next prime is 87253379. The reversal of 87253347 is 74335278.

It is not a de Polignac number, because 87253347 - 2⁸ = 87253091 is a prime.

It is a super-2 number, since 2×87253347² = 15226293125404818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87253307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13483 + ... + 18875.

Almost surely, 2^87253347 is an apocalyptic number.

87253347 is a deficient number, since it is larger than the sum of its proper divisors (29106025).

87253347 is an frugal number, since it uses more digits than its factorization.

87253347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10789 (or 5396 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 87253347 is about 9340.9500052190. The cubic root of 87253347 is about 443.5344574587.

The spelling of 87253347 in words is "eighty-seven million, two hundred fifty-three thousand, three hundred forty-seven".