87246812 has 24 divisors (see below), whose sum is σ = 154573440. Its totient is φ = 43086960.

The previous prime is 87246799. The next prime is 87246823. The reversal of 87246812 is 21864278.

It is a super-2 number, since 2×87246812² = 15224012408326688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 140639 + ... + 141257.

It is an arithmetic number, because the mean of its divisors is an integer number (6440560).

Almost surely, 2^87246812 is an apocalyptic number.

It is an amenable number.

87246812 is a deficient number, since it is larger than the sum of its proper divisors (67326628).

87246812 is a wasteful number, since it uses less digits than its factorization.

87246812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 999 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 87246812 is about 9340.6001948483. The cubic root of 87246812 is about 443.5233840724.

The spelling of 87246812 in words is "eighty-seven million, two hundred forty-six thousand, eight hundred twelve".