86734723 has 2 divisors, whose sum is σ = 86734724. Its totient is φ = 86734722.

The previous prime is 86734699. The next prime is 86734757. The reversal of 86734723 is 32743768.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86734723 - 2⁵ = 86734691 is a prime.

It is not a weakly prime, because it can be changed into another prime (86738723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43367361 + 43367362.

It is an arithmetic number, because the mean of its divisors is an integer number (43367362).

Almost surely, 2^86734723 is an apocalyptic number.

86734723 is a deficient number, since it is larger than the sum of its proper divisors (1).

86734723 is an equidigital number, since it uses as much as digits as its factorization.

86734723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 40.

The square root of 86734723 is about 9313.1478566594. The cubic root of 86734723 is about 442.6539377383.

The spelling of 86734723 in words is "eighty-six million, seven hundred thirty-four thousand, seven hundred twenty-three".