85508351 has 8 divisors (see below), whose sum is σ = 90622224. Its totient is φ = 80403840.

The previous prime is 85508347. The next prime is 85508387. The reversal of 85508351 is 15380558.

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 85508351 - 2² = 85508347 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85508321) 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, 27296 + ... + 30266.

It is an arithmetic number, because the mean of its divisors is an integer number (11327778).

Almost surely, 2^85508351 is an apocalyptic number.

85508351 is a deficient number, since it is larger than the sum of its proper divisors (5113873).

85508351 is a wasteful number, since it uses less digits than its factorization.

85508351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 85508351 is about 9247.0725637901. The cubic root of 85508351 is about 440.5577482726.

The spelling of 85508351 in words is "eighty-five million, five hundred eight thousand, three hundred fifty-one".