85413907 has 2 divisors, whose sum is σ = 85413908. Its totient is φ = 85413906.

The previous prime is 85413893. The next prime is 85413943. The reversal of 85413907 is 70931458.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85413907 is a prime.

It is not a weakly prime, because it can be changed into another prime (85413407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42706953 + 42706954.

It is an arithmetic number, because the mean of its divisors is an integer number (42706954).

Almost surely, 2^85413907 is an apocalyptic number.

85413907 is a deficient number, since it is larger than the sum of its proper divisors (1).

85413907 is an equidigital number, since it uses as much as digits as its factorization.

85413907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 85413907 is about 9241.9644556772. The cubic root of 85413907 is about 440.3954897969.

It can be divided in two parts, 85413 and 907, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 85413907 in words is "eighty-five million, four hundred thirteen thousand, nine hundred seven".