27752835551 has 8 divisors (see below), whose sum is σ = 32364823200. Its totient is φ = 23788144464.

The previous prime is 27752835547. The next prime is 27752835553. The reversal of 27752835551 is 15553825772.

It is a happy number.

It is not a de Polignac number, because 27752835551 - 2² = 27752835547 is a prime.

It is a super-2 number, since 2×27752835551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27752835551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27752835553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40455686 + ... + 40456371.

It is an arithmetic number, because the mean of its divisors is an integer number (4045602900).

Almost surely, 2^27752835551 is an apocalyptic number.

27752835551 is a deficient number, since it is larger than the sum of its proper divisors (4611987649).

27752835551 is an frugal number, since it uses more digits than its factorization.

27752835551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80912078 (or 80912064 counting only the distinct ones).

The product of its digits is 2940000, while the sum is 50.

The spelling of 27752835551 in words is "twenty-seven billion, seven hundred fifty-two million, eight hundred thirty-five thousand, five hundred fifty-one".