86379897285 has 160 divisors (see below), whose sum is σ = 174334228992. Its totient is φ = 40557957120.

The previous prime is 86379897223. The next prime is 86379897287. The reversal of 86379897285 is 58279897368.

It is not a de Polignac number, because 86379897285 - 2⁶ = 86379897221 is a prime.

It is a super-2 number, since 2×86379897285² (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 (86379897287) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 20308219 + ... + 20312471.

Almost surely, 2^86379897285 is an apocalyptic number.

It is an amenable number.

86379897285 is an abundant number, since it is smaller than the sum of its proper divisors (87954331707).

86379897285 is a wasteful number, since it uses less digits than its factorization.

86379897285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425 (or 4416 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 72.

The spelling of 86379897285 in words is "eighty-six billion, three hundred seventy-nine million, eight hundred ninety-seven thousand, two hundred eighty-five".