126277775379 has 24 divisors (see below), whose sum is σ = 208503196512. Its totient is φ = 72143274240.

The previous prime is 126277775341. The next prime is 126277775417. The reversal of 126277775379 is 973577772621.

126277775379 is a `hidden beast` number, since 1 + 2 + 6 + 27 + 7 + 77 + 537 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (126277775341) and next prime (126277775417).

It is not a de Polignac number, because 126277775379 - 2²⁹ = 125740904467 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (126277775179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85137 + ... + 509709.

It is an arithmetic number, because the mean of its divisors is an integer number (8687633188).

Almost surely, 2^126277775379 is an apocalyptic number.

126277775379 is a deficient number, since it is larger than the sum of its proper divisors (82225421133).

126277775379 is a wasteful number, since it uses less digits than its factorization.

126277775379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429307 (or 429304 counting only the distinct ones).

The product of its digits is 54454680, while the sum is 63.

The spelling of 126277775379 in words is "one hundred twenty-six billion, two hundred seventy-seven million, seven hundred seventy-five thousand, three hundred seventy-nine".