86258520777 has 96 divisors (see below), whose sum is σ = 138211999744. Its totient is φ = 47528933760.

The previous prime is 86258520769. The next prime is 86258520811. The reversal of 86258520777 is 77702585268.

It is not a de Polignac number, because 86258520777 - 2³ = 86258520769 is a prime.

It is a super-2 number, since 2×86258520777² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86258520707) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97687578 + ... + 97688460.

Almost surely, 2^86258520777 is an apocalyptic number.

It is an amenable number.

86258520777 is a deficient number, since it is larger than the sum of its proper divisors (51953478967).

86258520777 is a wasteful number, since it uses less digits than its factorization.

86258520777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 57.

The spelling of 86258520777 in words is "eighty-six billion, two hundred fifty-eight million, five hundred twenty thousand, seven hundred seventy-seven".