86936947 has 4 divisors (see below), whose sum is σ = 87186400. Its totient is φ = 86687496.

The previous prime is 86936917. The next prime is 86936957. The reversal of 86936947 is 74963968.

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

It is a cyclic number.

It is not a de Polignac number, because 86936947 - 2¹⁵ = 86904179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86936894 and 86936903.

It is not an unprimeable number, because it can be changed into a prime (86936917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124203 + ... + 124900.

It is an arithmetic number, because the mean of its divisors is an integer number (21796600).

Almost surely, 2^86936947 is an apocalyptic number.

86936947 is a deficient number, since it is larger than the sum of its proper divisors (249453).

86936947 is a wasteful number, since it uses less digits than its factorization.

86936947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249452.

The product of its digits is 1959552, while the sum is 52.

The square root of 86936947 is about 9323.9984448733. The cubic root of 86936947 is about 442.9976899974.

The spelling of 86936947 in words is "eighty-six million, nine hundred thirty-six thousand, nine hundred forty-seven".