85297775 has 12 divisors (see below), whose sum is σ = 107563800. Its totient is φ = 67080480.

The previous prime is 85297763. The next prime is 85297781. The reversal of 85297775 is 57779258.

It is not a de Polignac number, because 85297775 - 2⁴ = 85297759 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27440 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (8963650).

Almost surely, 2^85297775 is an apocalyptic number.

85297775 is a deficient number, since it is larger than the sum of its proper divisors (22266025).

85297775 is a wasteful number, since it uses less digits than its factorization.

85297775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57898 (or 57893 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 50.

The square root of 85297775 is about 9235.6794552431. The cubic root of 85297775 is about 440.1958064454.

The spelling of 85297775 in words is "eighty-five million, two hundred ninety-seven thousand, seven hundred seventy-five".