87414857 has 4 divisors (see below), whose sum is σ = 87517716. Its totient is φ = 87312000.

The previous prime is 87414841. The next prime is 87414869. The reversal of 87414857 is 75841478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41229241 + 46185616 = 6421^2 + 6796^2 .

It is a cyclic number.

It is not a de Polignac number, because 87414857 - 2⁴ = 87414841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87414157) 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 3 ways as a sum of consecutive naturals, for example, 50144 + ... + 51857.

It is an arithmetic number, because the mean of its divisors is an integer number (21879429).

Almost surely, 2^87414857 is an apocalyptic number.

It is an amenable number.

87414857 is a deficient number, since it is larger than the sum of its proper divisors (102859).

87414857 is a wasteful number, since it uses less digits than its factorization.

87414857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102858.

The product of its digits is 250880, while the sum is 44.

The square root of 87414857 is about 9349.5912744890. The cubic root of 87414857 is about 443.8079564056.

The spelling of 87414857 in words is "eighty-seven million, four hundred fourteen thousand, eight hundred fifty-seven".