126771786792 has 48 divisors (see below), whose sum is σ = 392388865440. Its totient is φ = 36220510368.

The previous prime is 126771786751. The next prime is 126771786803. The reversal of 126771786792 is 297687177621.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125765158 + ... + 125766165.

It is an arithmetic number, because the mean of its divisors is an integer number (8174768030).

Almost surely, 2^126771786792 is an apocalyptic number.

126771786792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126771786792 is an abundant number, since it is smaller than the sum of its proper divisors (265617078648).

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

126771786792 is a wasteful number, since it uses less digits than its factorization.

126771786792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251531342 (or 251531335 counting only the distinct ones).

The product of its digits is 24893568, while the sum is 63.

The spelling of 126771786792 in words is "one hundred twenty-six billion, seven hundred seventy-one million, seven hundred eighty-six thousand, seven hundred ninety-two".