85803479 has 2 divisors, whose sum is σ = 85803480. Its totient is φ = 85803478.

The previous prime is 85803469. The next prime is 85803517. The reversal of 85803479 is 97430858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85803479 - 2⁴ = 85803463 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 (85803469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42901739 + 42901740.

It is an arithmetic number, because the mean of its divisors is an integer number (42901740).

Almost surely, 2^85803479 is an apocalyptic number.

85803479 is a deficient number, since it is larger than the sum of its proper divisors (1).

85803479 is an equidigital number, since it uses as much as digits as its factorization.

85803479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 85803479 is about 9263.0167332247. The cubic root of 85803479 is about 441.0640209535.

The spelling of 85803479 in words is "eighty-five million, eight hundred three thousand, four hundred seventy-nine".