87056811 has 24 divisors (see below), whose sum is σ = 133127280. Its totient is φ = 54726336.

The previous prime is 87056797. The next prime is 87056839. The reversal of 87056811 is 11865078.

87056811 is a `hidden beast` number, since 87 + 0 + 568 + 11 = 666.

It is not a de Polignac number, because 87056811 - 2¹⁴ = 87040427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87052811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7345 + ... + 15101.

It is an arithmetic number, because the mean of its divisors is an integer number (5546970).

Almost surely, 2^87056811 is an apocalyptic number.

87056811 is a deficient number, since it is larger than the sum of its proper divisors (46070469).

87056811 is a wasteful number, since it uses less digits than its factorization.

87056811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835 (or 7832 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 87056811 is about 9330.4239453521. The cubic root of 87056811 is about 443.2011903198.

The spelling of 87056811 in words is "eighty-seven million, fifty-six thousand, eight hundred eleven".