86261161538 has 16 divisors (see below), whose sum is σ = 130092480000. Its totient is φ = 42897082800.

The previous prime is 86261161513. The next prime is 86261161619. The reversal of 86261161538 is 83516116268.

It is a junction number, because it is equal to n+sod(n) for n = 86261161492 and 86261161501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2539088 + ... + 2572836.

It is an arithmetic number, because the mean of its divisors is an integer number (8130780000).

Almost surely, 2^86261161538 is an apocalyptic number.

86261161538 is a deficient number, since it is larger than the sum of its proper divisors (43831318462).

86261161538 is a wasteful number, since it uses less digits than its factorization.

86261161538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40633.

The product of its digits is 414720, while the sum is 47.

The spelling of 86261161538 in words is "eighty-six billion, two hundred sixty-one million, one hundred sixty-one thousand, five hundred thirty-eight".