87814946 has 16 divisors (see below), whose sum is σ = 133406784. Its totient is φ = 43349904.

The previous prime is 87814939. The next prime is 87814963. The reversal of 87814946 is 64941878.

It is a super-2 number, since 2×87814946² = 15422929481965832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87814946.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53636 + ... + 55248.

It is an arithmetic number, because the mean of its divisors is an integer number (8337924).

Almost surely, 2^87814946 is an apocalyptic number.

87814946 is a deficient number, since it is larger than the sum of its proper divisors (45591838).

87814946 is a wasteful number, since it uses less digits than its factorization.

87814946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945.

The product of its digits is 387072, while the sum is 47.

The square root of 87814946 is about 9370.9629174381. The cubic root of 87814946 is about 444.4840141482.

The spelling of 87814946 in words is "eighty-seven million, eight hundred fourteen thousand, nine hundred forty-six".