86899304439 has 40 divisors (see below), whose sum is σ = 135023454720. Its totient is φ = 55635886800.

The previous prime is 86899304423. The next prime is 86899304449. The reversal of 86899304439 is 93440399868.

86899304439 is a `hidden beast` number, since 86 + 8 + 99 + 30 + 4 + 439 = 666.

It is not a de Polignac number, because 86899304439 - 2⁴ = 86899304423 is a prime.

It is a super-2 number, since 2×86899304439² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86899304449) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 196852 + ... + 461030.

It is an arithmetic number, because the mean of its divisors is an integer number (3375586368).

Almost surely, 2^86899304439 is an apocalyptic number.

86899304439 is a deficient number, since it is larger than the sum of its proper divisors (48124150281).

86899304439 is a wasteful number, since it uses less digits than its factorization.

86899304439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264353 (or 264344 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 86899304439 in words is "eighty-six billion, eight hundred ninety-nine million, three hundred four thousand, four hundred thirty-nine".