87063764 has 12 divisors (see below), whose sum is σ = 152481588. Its totient is φ = 43497600.

The previous prime is 87063761. The next prime is 87063773. The reversal of 87063764 is 46736078.

It can be written as a sum of positive squares in 2 ways, for example, as 47499664 + 39564100 = 6892^2 + 6290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87063761) 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, 2357 + ... + 13404.

It is an arithmetic number, because the mean of its divisors is an integer number (12706799).

Almost surely, 2^87063764 is an apocalyptic number.

It is an amenable number.

87063764 is a deficient number, since it is larger than the sum of its proper divisors (65417824).

87063764 is a wasteful number, since it uses less digits than its factorization.

87063764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17146 (or 17144 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 87063764 is about 9330.7965362020. The cubic root of 87063764 is about 443.2129891126.

The spelling of 87063764 in words is "eighty-seven million, sixty-three thousand, seven hundred sixty-four".