85669632573 has 32 divisors (see below), whose sum is σ = 131523436800. Its totient is φ = 48587381760.

The previous prime is 85669632563. The next prime is 85669632661. The reversal of 85669632573 is 37523696658.

It is not a de Polignac number, because 85669632573 - 2⁴ = 85669632557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85669632563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4248511 + ... + 4268627.

It is an arithmetic number, because the mean of its divisors is an integer number (4110107400).

Almost surely, 2^85669632573 is an apocalyptic number.

It is an amenable number.

85669632573 is a deficient number, since it is larger than the sum of its proper divisors (45853804227).

85669632573 is a wasteful number, since it uses less digits than its factorization.

85669632573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21637.

The product of its digits is 48988800, while the sum is 60.

The spelling of 85669632573 in words is "eighty-five billion, six hundred sixty-nine million, six hundred thirty-two thousand, five hundred seventy-three".