12277599738 has 8 divisors (see below), whose sum is σ = 24555199488. Its totient is φ = 4092533244.

The previous prime is 12277599731. The next prime is 12277599739. The reversal of 12277599738 is 83799577221.

It is a sphenic number, since it is the product of 3 distinct primes.

12277599738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12277599731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023133306 + ... + 1023133317.

It is an arithmetic number, because the mean of its divisors is an integer number (3069399936).

Almost surely, 2^12277599738 is an apocalyptic number.

12277599738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12277599738 is a wasteful number, since it uses less digits than its factorization.

12277599738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046266628.

The product of its digits is 13335840, while the sum is 60.

The spelling of 12277599738 in words is "twelve billion, two hundred seventy-seven million, five hundred ninety-nine thousand, seven hundred thirty-eight".