87873011 has 4 divisors (see below), whose sum is σ = 87949224. Its totient is φ = 87796800.

The previous prime is 87872999. The next prime is 87873053. The reversal of 87873011 is 11037878.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87873011 is a prime.

It is a super-2 number, since 2×87873011² = 15443332124412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87873211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36350 + ... + 38691.

It is an arithmetic number, because the mean of its divisors is an integer number (21987306).

Almost surely, 2^87873011 is an apocalyptic number.

87873011 is a deficient number, since it is larger than the sum of its proper divisors (76213).

87873011 is a wasteful number, since it uses less digits than its factorization.

87873011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76212.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 87873011 is about 9374.0605395954. The cubic root of 87873011 is about 444.5819598058.

The spelling of 87873011 in words is "eighty-seven million, eight hundred seventy-three thousand, eleven".