85149084739 has 8 divisors (see below), whose sum is σ = 89939919872. Its totient is φ = 80486005320.

The previous prime is 85149084733. The next prime is 85149084743. The reversal of 85149084739 is 93748094158.

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 85149084739 - 2⁵ = 85149084707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85149084733) 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, 31937559 + ... + 31940224.

It is an arithmetic number, because the mean of its divisors is an integer number (11242489984).

Almost surely, 2^85149084739 is an apocalyptic number.

85149084739 is a deficient number, since it is larger than the sum of its proper divisors (4790835133).

85149084739 is a wasteful number, since it uses less digits than its factorization.

85149084739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63877857.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 85149084739 in words is "eighty-five billion, one hundred forty-nine million, eighty-four thousand, seven hundred thirty-nine".