27785001364 has 12 divisors (see below), whose sum is σ = 48652417044. Its totient is φ = 13884310784.

The previous prime is 27785001347. The next prime is 27785001427. The reversal of 27785001364 is 46310058772.

It can be written as a sum of positive squares in 2 ways, for example, as 26938656900 + 846344464 = 164130^2 + 29092^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27785001364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039839 + ... + 2053414.

It is an arithmetic number, because the mean of its divisors is an integer number (4054368087).

Almost surely, 2^27785001364 is an apocalyptic number.

It is an amenable number.

27785001364 is a deficient number, since it is larger than the sum of its proper divisors (20867415680).

27785001364 is a wasteful number, since it uses less digits than its factorization.

27785001364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094954 (or 4094952 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 27785001364 in words is "twenty-seven billion, seven hundred eighty-five million, one thousand, three hundred sixty-four".