85953497 has 6 divisors (see below), whose sum is σ = 99986778. Its totient is φ = 73674384.

The previous prime is 85953463. The next prime is 85953499. The reversal of 85953497 is 79435958.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 27415696 = 7651^2 + 5236^2 .

It is not a de Polignac number, because 85953497 - 2⁶ = 85953433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85953499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 877028 + ... + 877125.

It is an arithmetic number, because the mean of its divisors is an integer number (16664463).

Almost surely, 2^85953497 is an apocalyptic number.

It is an amenable number.

85953497 is a deficient number, since it is larger than the sum of its proper divisors (14033281).

85953497 is a wasteful number, since it uses less digits than its factorization.

85953497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754167 (or 1754160 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 85953497 is about 9271.1108827368. The cubic root of 85953497 is about 441.3209220265.

The spelling of 85953497 in words is "eighty-five million, nine hundred fifty-three thousand, four hundred ninety-seven".