86681474 has 16 divisors (see below), whose sum is σ = 142403616. Its totient is φ = 39244800.

The previous prime is 86681467. The next prime is 86681501. The reversal of 86681474 is 47418668.

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, 2012 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (8900226).

Almost surely, 2^86681474 is an apocalyptic number.

86681474 is a deficient number, since it is larger than the sum of its proper divisors (55722142).

86681474 is a wasteful number, since it uses less digits than its factorization.

86681474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601.

The product of its digits is 258048, while the sum is 44.

The square root of 86681474 is about 9310.2886099197. The cubic root of 86681474 is about 442.5633330993.

The spelling of 86681474 in words is "eighty-six million, six hundred eighty-one thousand, four hundred seventy-four".