85297763 has 2 divisors, whose sum is σ = 85297764. Its totient is φ = 85297762.

The previous prime is 85297759. The next prime is 85297781. The reversal of 85297763 is 36779258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85297763 - 2² = 85297759 is a prime.

It is not a weakly prime, because it can be changed into another prime (85297963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42648881 + 42648882.

It is an arithmetic number, because the mean of its divisors is an integer number (42648882).

Almost surely, 2^85297763 is an apocalyptic number.

85297763 is a deficient number, since it is larger than the sum of its proper divisors (1).

85297763 is an equidigital number, since it uses as much as digits as its factorization.

85297763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 85297763 is about 9235.6788055887. The cubic root of 85297763 is about 440.1957858026.

The spelling of 85297763 in words is "eighty-five million, two hundred ninety-seven thousand, seven hundred sixty-three".