126772767277620 has 48 divisors (see below), whose sum is σ = 357554724666048. Its totient is φ = 33559311627520.

The previous prime is 126772767277601. The next prime is 126772767277657. The reversal of 126772767277620 is 26772767277621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7711230666 + ... + 7711247105.

It is an arithmetic number, because the mean of its divisors is an integer number (7449056763876).

Almost surely, 2^{126772767277620} is an apocalyptic number.

126772767277620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126772767277620 is an abundant number, since it is smaller than the sum of its proper divisors (230781957388428).

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

126772767277620 is a wasteful number, since it uses less digits than its factorization.

126772767277620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422477920 (or 15422477918 counting only the distinct ones).

The product of its (nonzero) digits is 406594944, while the sum is 69.

Subtracting from 126772767277620 its reverse (26772767277621), we obtain a palindrome (99999999999999).

The spelling of 126772767277620 in words is "one hundred twenty-six trillion, seven hundred seventy-two billion, seven hundred sixty-seven million, two hundred seventy-seven thousand, six hundred twenty".