86051261636 has 12 divisors (see below), whose sum is σ = 155782456620. Its totient is φ = 41541988320.

The previous prime is 86051261627. The next prime is 86051261677. The reversal of 86051261636 is 63616215068.

It can be written as a sum of positive squares in 2 ways, for example, as 50061377536 + 35989884100 = 223744^2 + 189710^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370910495 + ... + 370910726.

It is an arithmetic number, because the mean of its divisors is an integer number (12981871385).

Almost surely, 2^86051261636 is an apocalyptic number.

It is an amenable number.

86051261636 is a deficient number, since it is larger than the sum of its proper divisors (69731194984).

86051261636 is a wasteful number, since it uses less digits than its factorization.

86051261636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741821254 (or 741821252 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 86051261636 in words is "eighty-six billion, fifty-one million, two hundred sixty-one thousand, six hundred thirty-six".