87473347 has 16 divisors (see below), whose sum is σ = 104086080. Its totient is φ = 72686592.

The previous prime is 87473327. The next prime is 87473363. The reversal of 87473347 is 74337478.

It is a cyclic number.

It is not a de Polignac number, because 87473347 - 2⁷ = 87473219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87473317) 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, 3522 + ... + 13687.

It is an arithmetic number, because the mean of its divisors is an integer number (6505380).

Almost surely, 2^87473347 is an apocalyptic number.

87473347 is a deficient number, since it is larger than the sum of its proper divisors (16612733).

87473347 is a wasteful number, since it uses less digits than its factorization.

87473347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17262.

The product of its digits is 395136, while the sum is 43.

The square root of 87473347 is about 9352.7186956521. The cubic root of 87473347 is about 443.9069195215.

The spelling of 87473347 in words is "eighty-seven million, four hundred seventy-three thousand, three hundred forty-seven".