86788011 has 4 divisors (see below), whose sum is σ = 115717352. Its totient is φ = 57858672.

The previous prime is 86788007. The next prime is 86788033. The reversal of 86788011 is 11088768.

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

It is not a de Polignac number, because 86788011 - 2² = 86788007 is a prime.

It is a super-2 number, since 2×86788011² = 15064317706672242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86788001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14464666 + ... + 14464671.

It is an arithmetic number, because the mean of its divisors is an integer number (28929338).

Almost surely, 2^86788011 is an apocalyptic number.

86788011 is a deficient number, since it is larger than the sum of its proper divisors (28929341).

86788011 is a wasteful number, since it uses less digits than its factorization.

86788011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28929340.

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

The square root of 86788011 is about 9316.0083190173. The cubic root of 86788011 is about 442.7445716205.

The spelling of 86788011 in words is "eighty-six million, seven hundred eighty-eight thousand, eleven".