85197502 has 8 divisors (see below), whose sum is σ = 137626776. Its totient is φ = 39321912.

The previous prime is 85197499. The next prime is 85197503. The reversal of 85197502 is 20579158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85197502² = 14517228694080008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85197503) 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 in 3 ways as a sum of consecutive naturals, for example, 1638388 + ... + 1638439.

It is an arithmetic number, because the mean of its divisors is an integer number (17203347).

Almost surely, 2^85197502 is an apocalyptic number.

85197502 is a deficient number, since it is larger than the sum of its proper divisors (52429274).

85197502 is a wasteful number, since it uses less digits than its factorization.

85197502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276842.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 85197502 is about 9230.2492924081. The cubic root of 85197502 is about 440.0232460170.

The spelling of 85197502 in words is "eighty-five million, one hundred ninety-seven thousand, five hundred two".