27772056031 has 4 divisors (see below), whose sum is σ = 28979536752. Its totient is φ = 26564575312.

The previous prime is 27772056019. The next prime is 27772056041. The reversal of 27772056031 is 13065027772.

It is a happy number.

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 27772056031 - 2⁵ = 27772055999 is a prime.

It is a super-3 number, since 3×27772056031³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27772056041) 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, 603740326 + ... + 603740371.

It is an arithmetic number, because the mean of its divisors is an integer number (7244884188).

Almost surely, 2^27772056031 is an apocalyptic number.

27772056031 is a deficient number, since it is larger than the sum of its proper divisors (1207480721).

27772056031 is a wasteful number, since it uses less digits than its factorization.

27772056031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207480720.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 27772056031 in words is "twenty-seven billion, seven hundred seventy-two million, fifty-six thousand, thirty-one".