86113947 has 16 divisors (see below), whose sum is σ = 121247360. Its totient is φ = 54214272.

The previous prime is 86113933. The next prime is 86113957. The reversal of 86113947 is 74931168.

It is not a de Polignac number, because 86113947 - 2¹⁶ = 86048411 is a prime.

It is a super-2 number, since 2×86113947² = 14831223735837618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86113957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16968 + ... + 21450.

It is an arithmetic number, because the mean of its divisors is an integer number (7577960).

Almost surely, 2^86113947 is an apocalyptic number.

86113947 is a deficient number, since it is larger than the sum of its proper divisors (35133413).

86113947 is a wasteful number, since it uses less digits than its factorization.

86113947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842.

The product of its digits is 36288, while the sum is 39.

The square root of 86113947 is about 9279.7600723295. The cubic root of 86113947 is about 441.5953569616.

The spelling of 86113947 in words is "eighty-six million, one hundred thirteen thousand, nine hundred forty-seven".