87889011 has 8 divisors (see below), whose sum is σ = 133926144. Its totient is φ = 50222280.

The previous prime is 87888979. The next prime is 87889037. The reversal of 87889011 is 11098878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87889011 - 2⁵ = 87888979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87889091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092575 + ... + 2092616.

It is an arithmetic number, because the mean of its divisors is an integer number (16740768).

Almost surely, 2^87889011 is an apocalyptic number.

87889011 is a deficient number, since it is larger than the sum of its proper divisors (46037133).

87889011 is a wasteful number, since it uses less digits than its factorization.

87889011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185201.

The product of its (nonzero) digits is 32256, while the sum is 42.

The square root of 87889011 is about 9374.9139196048. The cubic root of 87889011 is about 444.6089414679.

The spelling of 87889011 in words is "eighty-seven million, eight hundred eighty-nine thousand, eleven".