85867613172506 has 16 divisors (see below), whose sum is σ = 140520530488320. Its totient is φ = 39027985829280.

The previous prime is 85867613172499. The next prime is 85867613172599. The reversal of 85867613172506 is 60527131676858.

It is a super-2 number, since 2×85867613172506² (a number of 29 digits) contains 22 as substring.

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, 137051891 + ... + 137676998.

It is an arithmetic number, because the mean of its divisors is an integer number (8782533155520).

Almost surely, 2^{85867613172506} is an apocalyptic number.

85867613172506 is a deficient number, since it is larger than the sum of its proper divisors (54652917315814).

85867613172506 is a wasteful number, since it uses less digits than its factorization.

85867613172506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274743109.

The product of its (nonzero) digits is 101606400, while the sum is 65.

The spelling of 85867613172506 in words is "eighty-five trillion, eight hundred sixty-seven billion, six hundred thirteen million, one hundred seventy-two thousand, five hundred six".