85351574690 has 16 divisors (see below), whose sum is σ = 160312523328. Its totient is φ = 32656254576.

The previous prime is 85351574689. The next prime is 85351574699. The reversal of 85351574690 is 9647515358.

It is a happy number.

It is a super-2 number, since 2×85351574690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85351574699) 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, 185546672 + ... + 185547131.

It is an arithmetic number, because the mean of its divisors is an integer number (10019532708).

Almost surely, 2^85351574690 is an apocalyptic number.

85351574690 is a deficient number, since it is larger than the sum of its proper divisors (74960948638).

85351574690 is a wasteful number, since it uses less digits than its factorization.

85351574690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371093833.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 85351574690 in words is "eighty-five billion, three hundred fifty-one million, five hundred seventy-four thousand, six hundred ninety".