85358249506 has 16 divisors (see below), whose sum is σ = 132653505600. Its totient is φ = 41144882128.

The previous prime is 85358249479. The next prime is 85358249513. The reversal of 85358249506 is 60594285358.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078390 + ... + 1154833.

It is an arithmetic number, because the mean of its divisors is an integer number (8290844100).

Almost surely, 2^85358249506 is an apocalyptic number.

85358249506 is a deficient number, since it is larger than the sum of its proper divisors (47295256094).

85358249506 is a wasteful number, since it uses less digits than its factorization.

85358249506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233913.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 85358249506 in words is "eighty-five billion, three hundred fifty-eight million, two hundred forty-nine thousand, five hundred six".