86172522810 has 96 divisors (see below), whose sum is σ = 240696743616. Its totient is φ = 19661452800.

The previous prime is 86172522767. The next prime is 86172522853. The reversal of 86172522810 is 1822527168.

It is an interprime number because it is at equal distance from previous prime (86172522767) and next prime (86172522853).

It is a super-2 number, since 2×86172522810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 636496 + ... + 759915.

It is an arithmetic number, because the mean of its divisors is an integer number (2507257746).

Almost surely, 2^86172522810 is an apocalyptic number.

86172522810 is an abundant number, since it is smaller than the sum of its proper divisors (154524220806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86172522810 is a wasteful number, since it uses less digits than its factorization.

86172522810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396460 (or 1396449 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 86172522810 in words is "eighty-six billion, one hundred seventy-two million, five hundred twenty-two thousand, eight hundred ten".