126772963995599 has 8 divisors (see below), whose sum is σ = 126795711627072. Its totient is φ = 126750217053600.

The previous prime is 126772963995589. The next prime is 126772963995679. The reversal of 126772963995599 is 995599369277621.

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

It is a cyclic number.

It is not a de Polignac number, because 126772963995599 - 2²⁸ = 126772695560143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126772963995589) 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, 489903482 + ... + 490162184.

It is an arithmetic number, because the mean of its divisors is an integer number (15849463953384).

Almost surely, 2^{126772963995599} is an apocalyptic number.

126772963995599 is a deficient number, since it is larger than the sum of its proper divisors (22747631473).

126772963995599 is an equidigital number, since it uses as much as digits as its factorization.

126772963995599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344737.

The product of its digits is 31248730800, while the sum is 89.

The spelling of 126772963995599 in words is "one hundred twenty-six trillion, seven hundred seventy-two billion, nine hundred sixty-three million, nine hundred ninety-five thousand, five hundred ninety-nine".