85382428775 has 12 divisors (see below), whose sum is σ = 120999099312. Its totient is φ = 58547951040.

The previous prime is 85382428751. The next prime is 85382428841. The reversal of 85382428775 is 57782428358.

It is not a de Polignac number, because 85382428775 - 2⁸ = 85382428519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243949622 + ... + 243949971.

It is an arithmetic number, because the mean of its divisors is an integer number (10083258276).

Almost surely, 2^85382428775 is an apocalyptic number.

85382428775 is a deficient number, since it is larger than the sum of its proper divisors (35616670537).

85382428775 is a wasteful number, since it uses less digits than its factorization.

85382428775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487899610 (or 487899605 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 59.

The spelling of 85382428775 in words is "eighty-five billion, three hundred eighty-two million, four hundred twenty-eight thousand, seven hundred seventy-five".