87346857 has 16 divisors (see below), whose sum is σ = 132023360. Its totient is φ = 50922432.

The previous prime is 87346849. The next prime is 87346873. The reversal of 87346857 is 75864378.

It is not a de Polignac number, because 87346857 - 2³ = 87346849 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87346817) 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, 58198 + ... + 59679.

It is an arithmetic number, because the mean of its divisors is an integer number (8251460).

Almost surely, 2^87346857 is an apocalyptic number.

It is an amenable number.

87346857 is a deficient number, since it is larger than the sum of its proper divisors (44676503).

87346857 is a wasteful number, since it uses less digits than its factorization.

87346857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117912.

The product of its digits is 1128960, while the sum is 48.

The square root of 87346857 is about 9345.9540443980. The cubic root of 87346857 is about 443.6928471788.

The spelling of 87346857 in words is "eighty-seven million, three hundred forty-six thousand, eight hundred fifty-seven".