86828602291 has 4 divisors (see below), whose sum is σ = 86829542584. Its totient is φ = 86827662000.

The previous prime is 86828602279. The next prime is 86828602321. The reversal of 86828602291 is 19220682868.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 86828602291 - 2⁷ = 86828602163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86828602241) 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, 314445 + ... + 522046.

It is an arithmetic number, because the mean of its divisors is an integer number (21707385646).

Almost surely, 2^86828602291 is an apocalyptic number.

86828602291 is a deficient number, since it is larger than the sum of its proper divisors (940293).

86828602291 is a wasteful number, since it uses less digits than its factorization.

86828602291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940292.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 86828602291 in words is "eighty-six billion, eight hundred twenty-eight million, six hundred two thousand, two hundred ninety-one".