85628924047 has 4 divisors (see below), whose sum is σ = 87450816096. Its totient is φ = 83807032000.

The previous prime is 85628924039. The next prime is 85628924093. The reversal of 85628924047 is 74042982658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85628924047 - 2³ = 85628924039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85628927047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910945954 + ... + 910946047.

It is an arithmetic number, because the mean of its divisors is an integer number (21862704024).

Almost surely, 2^85628924047 is an apocalyptic number.

85628924047 is a deficient number, since it is larger than the sum of its proper divisors (1821892049).

85628924047 is a wasteful number, since it uses less digits than its factorization.

85628924047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821892048.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 85628924047 in words is "eighty-five billion, six hundred twenty-eight million, nine hundred twenty-four thousand, forty-seven".