85081497 has 8 divisors (see below), whose sum is σ = 113534400. Its totient is φ = 56674800.

The previous prime is 85081489. The next prime is 85081511. The reversal of 85081497 is 79418058.

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

It is not a de Polignac number, because 85081497 - 2³ = 85081489 is a prime.

It is a super-2 number, since 2×85081497² = 14477722263522018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85081697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6997 + ... + 14802.

It is an arithmetic number, because the mean of its divisors is an integer number (14191800).

Almost surely, 2^85081497 is an apocalyptic number.

It is an amenable number.

85081497 is a deficient number, since it is larger than the sum of its proper divisors (28452903).

85081497 is a wasteful number, since it uses less digits than its factorization.

85081497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23103.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 85081497 is about 9223.9631937687. The cubic root of 85081497 is about 439.8234432819.

The spelling of 85081497 in words is "eighty-five million, eighty-one thousand, four hundred ninety-seven".