27772260670 has 192 divisors, whose sum is σ = 67153536000. Its totient is φ = 8196672960.

The previous prime is 27772260629. The next prime is 27772260673. The reversal of 27772260670 is 7606227772.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27772260670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27772260673) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13619511 + ... + 13621549.

It is an arithmetic number, because the mean of its divisors is an integer number (349758000).

Almost surely, 2^27772260670 is an apocalyptic number.

27772260670 is an abundant number, since it is smaller than the sum of its proper divisors (39381275330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27772260670 is a wasteful number, since it uses less digits than its factorization.

27772260670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 27772260670 in words is "twenty-seven billion, seven hundred seventy-two million, two hundred sixty thousand, six hundred seventy".