126679978803 has 48 divisors (see below), whose sum is σ = 205166537984. Its totient is φ = 68094743040.

The previous prime is 126679978793. The next prime is 126679978813. The reversal of 126679978803 is 308879976621.

It is an interprime number because it is at equal distance from previous prime (126679978793) and next prime (126679978813).

It is not a de Polignac number, because 126679978803 - 2²⁸ = 126411543347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126679978813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14967993 + ... + 14976453.

Almost surely, 2^126679978803 is an apocalyptic number.

126679978803 is a deficient number, since it is larger than the sum of its proper divisors (78486559181).

126679978803 is a wasteful number, since it uses less digits than its factorization.

126679978803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972 (or 10955 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 126679978803 in words is "one hundred twenty-six billion, six hundred seventy-nine million, nine hundred seventy-eight thousand, eight hundred three".