85970512774 has 32 divisors (see below), whose sum is σ = 131248234656. Its totient is φ = 42229501440.

The previous prime is 85970512741. The next prime is 85970512783. The reversal of 85970512774 is 47721507958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12329109 + ... + 12336079.

It is an arithmetic number, because the mean of its divisors is an integer number (4101507333).

Almost surely, 2^85970512774 is an apocalyptic number.

85970512774 is a deficient number, since it is larger than the sum of its proper divisors (45277721882).

85970512774 is a wasteful number, since it uses less digits than its factorization.

85970512774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560.

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 85970512774 in words is "eighty-five billion, nine hundred seventy million, five hundred twelve thousand, seven hundred seventy-four".