27742499784362 has 64 divisors (see below), whose sum is σ = 48532749298560. Its totient is φ = 11859327089280.

The previous prime is 27742499784341. The next prime is 27742499784367. The reversal of 27742499784362 is 26348799424772.

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 27742499784362.

It is not an unprimeable number, because it can be changed into a prime (27742499784367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4927328 + ... + 8931044.

It is an arithmetic number, because the mean of its divisors is an integer number (758324207790).

Almost surely, 2^{27742499784362} is an apocalyptic number.

27742499784362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27742499784362 is a deficient number, since it is larger than the sum of its proper divisors (20790249514198).

27742499784362 is a wasteful number, since it uses less digits than its factorization.

27742499784362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003908 (or 4003886 counting only the distinct ones).

The product of its digits is 2048385024, while the sum is 74.

The spelling of 27742499784362 in words is "twenty-seven trillion, seven hundred forty-two billion, four hundred ninety-nine million, seven hundred eighty-four thousand, three hundred sixty-two".