87046874 has 4 divisors (see below), whose sum is σ = 130570314. Its totient is φ = 43523436.

The previous prime is 87046873. The next prime is 87046891. The reversal of 87046874 is 47864078.

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

It can be written as a sum of positive squares in only one way, i.e., 84180625 + 2866249 = 9175^2 + 1693^2 .

It is not an unprimeable number, because it can be changed into a prime (87046871) 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 as a sum of consecutive naturals, namely, 21761717 + ... + 21761720.

Almost surely, 2^87046874 is an apocalyptic number.

87046874 is a deficient number, since it is larger than the sum of its proper divisors (43523440).

87046874 is a wasteful number, since it uses less digits than its factorization.

87046874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43523439.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 87046874 is about 9329.8914248774. The cubic root of 87046874 is about 443.1843267807.

The spelling of 87046874 in words is "eighty-seven million, forty-six thousand, eight hundred seventy-four".