27864838362770 has 32 divisors (see below), whose sum is σ = 51517791808560. Its totient is φ = 10844930165760.

The previous prime is 27864838362631. The next prime is 27864838362773. The reversal of 27864838362770 is 7726383846872.

It can be written as a sum of positive squares in 8 ways, for example, as 13745934417601 + 14118903945169 = 3707551^2 + 3757513^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27864838362694 and 27864838362703.

It is not an unprimeable number, because it can be changed into a prime (27864838362773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90950315 + ... + 91256174.

Almost surely, 2^{27864838362770} is an apocalyptic number.

27864838362770 is a deficient number, since it is larger than the sum of its proper divisors (23652953445790).

27864838362770 is a wasteful number, since it uses less digits than its factorization.

27864838362770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182206910.

The product of its (nonzero) digits is 910393344, while the sum is 71.

The spelling of 27864838362770 in words is "twenty-seven trillion, eight hundred sixty-four billion, eight hundred thirty-eight million, three hundred sixty-two thousand, seven hundred seventy".