126964564776 has 128 divisors (see below), whose sum is σ = 406004832000. Its totient is φ = 36010745856.

The previous prime is 126964564763. The next prime is 126964564819. The reversal of 126964564776 is 677465469621.

126964564776 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 64 + 564 + 7 + 7 + 6 = 666.

It is a super-2 number, since 2×126964564776² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99321 + ... + 513608.

It is an arithmetic number, because the mean of its divisors is an integer number (3171912750).

Almost surely, 2^126964564776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126964564776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203002416000).

126964564776 is an abundant number, since it is smaller than the sum of its proper divisors (279040267224).

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

126964564776 is a wasteful number, since it uses less digits than its factorization.

126964564776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613088 (or 613078 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 126964564776 in words is "one hundred twenty-six billion, nine hundred sixty-four million, five hundred sixty-four thousand, seven hundred seventy-six".