85415793 has 8 divisors (see below), whose sum is σ = 114206400. Its totient is φ = 56784528.

The previous prime is 85415789. The next prime is 85415797. The reversal of 85415793 is 39751458.

It is an interprime number because it is at equal distance from previous prime (85415789) and next prime (85415797).

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

It is not a de Polignac number, because 85415793 - 2² = 85415789 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85415797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38578 + ... + 40731.

It is an arithmetic number, because the mean of its divisors is an integer number (14275800).

Almost surely, 2^85415793 is an apocalyptic number.

It is an amenable number.

85415793 is a deficient number, since it is larger than the sum of its proper divisors (28790607).

85415793 is a wasteful number, since it uses less digits than its factorization.

85415793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79671.

The product of its digits is 151200, while the sum is 42.

The square root of 85415793 is about 9242.0664896981. The cubic root of 85415793 is about 440.3987311886.

The spelling of 85415793 in words is "eighty-five million, four hundred fifteen thousand, seven hundred ninety-three".