126808477692 has 24 divisors (see below), whose sum is σ = 318646944336. Its totient is φ = 39017993088.

The previous prime is 126808477681. The next prime is 126808477703. The reversal of 126808477692 is 296774808621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126808477681) and next prime (126808477703).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406437273 + ... + 406437584.

It is an arithmetic number, because the mean of its divisors is an integer number (13276956014).

Almost surely, 2^126808477692 is an apocalyptic number.

126808477692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126808477692 is an abundant number, since it is smaller than the sum of its proper divisors (191838466644).

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

126808477692 is a wasteful number, since it uses less digits than its factorization.

126808477692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812874877 (or 812874875 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 126808477692 in words is "one hundred twenty-six billion, eight hundred eight million, four hundred seventy-seven thousand, six hundred ninety-two".