86881473 has 12 divisors (see below), whose sum is σ = 143423488. Its totient is φ = 49646520.

The previous prime is 86881447. The next prime is 86881489. The reversal of 86881473 is 37418868.

It is not a de Polignac number, because 86881473 - 2¹² = 86877377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86881423) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 689473 + ... + 689598.

Almost surely, 2^86881473 is an apocalyptic number.

It is an amenable number.

86881473 is a deficient number, since it is larger than the sum of its proper divisors (56542015).

86881473 is a wasteful number, since it uses less digits than its factorization.

86881473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379084 (or 1379081 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 86881473 is about 9321.0231734504. The cubic root of 86881473 is about 442.9034451315.

The spelling of 86881473 in words is "eighty-six million, eight hundred eighty-one thousand, four hundred seventy-three".