85272343790 has 16 divisors (see below), whose sum is σ = 153884802240. Its totient is φ = 34021252320.

The previous prime is 85272343787. The next prime is 85272343813. The reversal of 85272343790 is 9734327258.

It is a happy number.

It is a congruent number.

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, 10956566 + ... + 10964345.

It is an arithmetic number, because the mean of its divisors is an integer number (9617800140).

Almost surely, 2^85272343790 is an apocalyptic number.

85272343790 is a deficient number, since it is larger than the sum of its proper divisors (68612458450).

85272343790 is a wasteful number, since it uses less digits than its factorization.

85272343790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21921307.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 85272343790 in words is "eighty-five billion, two hundred seventy-two million, three hundred forty-three thousand, seven hundred ninety".