86481706 has 4 divisors (see below), whose sum is σ = 129722562. Its totient is φ = 43240852.

The previous prime is 86481701. The next prime is 86481709. The reversal of 86481706 is 60718468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86397025 + 84681 = 9295^2 + 291^2 .

It is not an unprimeable number, because it can be changed into a prime (86481701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620425 + ... + 21620428.

Almost surely, 2^86481706 is an apocalyptic number.

86481706 is a deficient number, since it is larger than the sum of its proper divisors (43240856).

86481706 is a wasteful number, since it uses less digits than its factorization.

86481706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43240855.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 86481706 is about 9299.5540753307. The cubic root of 86481706 is about 442.2230912455.

The spelling of 86481706 in words is "eighty-six million, four hundred eighty-one thousand, seven hundred six".