27572978433 has 64 divisors (see below), whose sum is σ = 49409869824. Its totient is φ = 13208832000.

The previous prime is 27572978423. The next prime is 27572978441. The reversal of 27572978433 is 33487927572.

It is not a de Polignac number, because 27572978433 - 2⁴ = 27572978417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27572978423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3512593 + ... + 3520433.

It is an arithmetic number, because the mean of its divisors is an integer number (772029216).

Almost surely, 2^27572978433 is an apocalyptic number.

It is an amenable number.

27572978433 is a deficient number, since it is larger than the sum of its proper divisors (21836891391).

27572978433 is a wasteful number, since it uses less digits than its factorization.

27572978433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046.

The product of its digits is 17781120, while the sum is 57.

The spelling of 27572978433 in words is "twenty-seven billion, five hundred seventy-two million, nine hundred seventy-eight thousand, four hundred thirty-three".