86473507 has 2 divisors, whose sum is σ = 86473508. Its totient is φ = 86473506.

The previous prime is 86473489. The next prime is 86473529. The reversal of 86473507 is 70537468.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86473507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86473507.

It is not a weakly prime, because it can be changed into another prime (86473007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43236753 + 43236754.

It is an arithmetic number, because the mean of its divisors is an integer number (43236754).

Almost surely, 2^86473507 is an apocalyptic number.

86473507 is a deficient number, since it is larger than the sum of its proper divisors (1).

86473507 is an equidigital number, since it uses as much as digits as its factorization.

86473507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 86473507 is about 9299.1132372931. The cubic root of 86473507 is about 442.2091156435.

The spelling of 86473507 in words is "eighty-six million, four hundred seventy-three thousand, five hundred seven".