27700770262644 has 24 divisors (see below), whose sum is σ = 71816811792320. Its totient is φ = 9233590087512.

The previous prime is 27700770262643. The next prime is 27700770262661. The reversal of 27700770262644 is 44626207700772.

27700770262644 is a `hidden beast` number, since 2 + 7 + 7 + 0 + 0 + 7 + 7 + 0 + 2 + 626 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27700770262643) 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, 128244306664 + ... + 128244306879.

Almost surely, 2^{27700770262644} is an apocalyptic number.

It is an amenable number.

27700770262644 is an abundant number, since it is smaller than the sum of its proper divisors (44116041529676).

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

27700770262644 is a wasteful number, since it uses less digits than its factorization.

27700770262644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256488613556 (or 256488613548 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 54.

The spelling of 27700770262644 in words is "twenty-seven trillion, seven hundred billion, seven hundred seventy million, two hundred sixty-two thousand, six hundred forty-four".