72567825827 has 4 divisors (see below), whose sum is σ = 82934658096. Its totient is φ = 62200993560.

The previous prime is 72567825787. The next prime is 72567825899. The reversal of 72567825827 is 72852876527.

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 72567825827 - 2²⁰ = 72566777251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72567825227) 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, 5183416124 + ... + 5183416137.

It is an arithmetic number, because the mean of its divisors is an integer number (20733664524).

Almost surely, 2^72567825827 is an apocalyptic number.

72567825827 is a deficient number, since it is larger than the sum of its proper divisors (10366832269).

72567825827 is a wasteful number, since it uses less digits than its factorization.

72567825827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10366832268.

The product of its digits is 26342400, while the sum is 59.

The spelling of 72567825827 in words is "seventy-two billion, five hundred sixty-seven million, eight hundred twenty-five thousand, eight hundred twenty-seven".