85457018 has 8 divisors (see below), whose sum is σ = 132320640. Its totient is φ = 41350140.

The previous prime is 85457017. The next prime is 85457023. The reversal of 85457018 is 81075458.

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

It is not an unprimeable number, because it can be changed into a prime (85457017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689108 + ... + 689231.

It is an arithmetic number, because the mean of its divisors is an integer number (16540080).

Almost surely, 2^85457018 is an apocalyptic number.

85457018 is a deficient number, since it is larger than the sum of its proper divisors (46863622).

85457018 is a wasteful number, since it uses less digits than its factorization.

85457018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378372.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 85457018 is about 9244.2965119040. The cubic root of 85457018 is about 440.4695710064.

The spelling of 85457018 in words is "eighty-five million, four hundred fifty-seven thousand, eighteen".