86256361851 has 32 divisors (see below), whose sum is σ = 129599854848. Its totient is φ = 50569568640.

The previous prime is 86256361837. The next prime is 86256361853. The reversal of 86256361851 is 15816365268.

It is a happy number.

It is not a de Polignac number, because 86256361851 - 2¹⁵ = 86256329083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86256361794 and 86256361803.

It is not an unprimeable number, because it can be changed into a prime (86256361853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7060 + ... + 415406.

It is an arithmetic number, because the mean of its divisors is an integer number (4049995464).

Almost surely, 2^86256361851 is an apocalyptic number.

86256361851 is a deficient number, since it is larger than the sum of its proper divisors (43343492997).

86256361851 is a wasteful number, since it uses less digits than its factorization.

86256361851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408571.

The product of its digits is 2073600, while the sum is 51.

The spelling of 86256361851 in words is "eighty-six billion, two hundred fifty-six million, three hundred sixty-one thousand, eight hundred fifty-one".