87868011 has 32 divisors (see below), whose sum is σ = 148843008. Its totient is φ = 44778240.

The previous prime is 87867991. The next prime is 87868031. The reversal of 87868011 is 11086878.

It is an interprime number because it is at equal distance from previous prime (87867991) and next prime (87868031).

It is not a de Polignac number, because 87868011 - 2⁵ = 87867979 is a prime.

It is a super-2 number, since 2×87868011² = 15441574714192242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87868031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8655 + ... + 15831.

It is an arithmetic number, because the mean of its divisors is an integer number (4651344).

Almost surely, 2^87868011 is an apocalyptic number.

87868011 is a deficient number, since it is larger than the sum of its proper divisors (60974997).

87868011 is a wasteful number, since it uses less digits than its factorization.

87868011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 87868011 is about 9373.7938424098. The cubic root of 87868011 is about 444.5735273648.

The spelling of 87868011 in words is "eighty-seven million, eight hundred sixty-eight thousand, eleven".