87187046 has 8 divisors (see below), whose sum is σ = 131194080. Its totient is φ = 43455688.

The previous prime is 87187027. The next prime is 87187049. The reversal of 87187046 is 64078178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87187046² = 15203161980412232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87186994 and 87187012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87187049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68126 + ... + 69393.

It is an arithmetic number, because the mean of its divisors is an integer number (16399260).

Almost surely, 2^87187046 is an apocalyptic number.

87187046 is a deficient number, since it is larger than the sum of its proper divisors (44007034).

87187046 is a wasteful number, since it uses less digits than its factorization.

87187046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137838.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 87187046 is about 9337.4003876882. The cubic root of 87187046 is about 443.4220864890.

The spelling of 87187046 in words is "eighty-seven million, one hundred eighty-seven thousand, forty-six".