86723807 has 2 divisors, whose sum is σ = 86723808. Its totient is φ = 86723806.

The previous prime is 86723803. The next prime is 86723831. The reversal of 86723807 is 70832768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86723807 - 2² = 86723803 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86723801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43361903 + 43361904.

It is an arithmetic number, because the mean of its divisors is an integer number (43361904).

Almost surely, 2^86723807 is an apocalyptic number.

86723807 is a deficient number, since it is larger than the sum of its proper divisors (1).

86723807 is an equidigital number, since it uses as much as digits as its factorization.

86723807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 86723807 is about 9312.5617850299. The cubic root of 86723807 is about 442.6353668863.

The spelling of 86723807 in words is "eighty-six million, seven hundred twenty-three thousand, eight hundred seven".