85176993 has 8 divisors (see below), whose sum is σ = 123893856. Its totient is φ = 51622400.

The previous prime is 85176979. The next prime is 85177009. The reversal of 85176993 is 39967158.

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

It is a cyclic number.

It is not a de Polignac number, because 85176993 - 2⁴ = 85176977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85176913) 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, 1290528 + ... + 1290593.

It is an arithmetic number, because the mean of its divisors is an integer number (15486732).

Almost surely, 2^85176993 is an apocalyptic number.

It is an amenable number.

85176993 is a deficient number, since it is larger than the sum of its proper divisors (38716863).

85176993 is a wasteful number, since it uses less digits than its factorization.

85176993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581135.

The product of its digits is 408240, while the sum is 48.

The square root of 85176993 is about 9229.1382587975. The cubic root of 85176993 is about 439.9879352753.

The spelling of 85176993 in words is "eighty-five million, one hundred seventy-six thousand, nine hundred ninety-three".