126923655782 has 16 divisors (see below), whose sum is σ = 237363720192. Its totient is φ = 49450774920.

The previous prime is 126923655773. The next prime is 126923655811. The reversal of 126923655782 is 287556329621.

It is a happy number.

It is a super-2 number, since 2×126923655782² (a number of 23 digits) contains 22 as substring.

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, 412089638 + ... + 412089945.

It is an arithmetic number, because the mean of its divisors is an integer number (14835232512).

Almost surely, 2^126923655782 is an apocalyptic number.

126923655782 is a deficient number, since it is larger than the sum of its proper divisors (110440064410).

126923655782 is a wasteful number, since it uses less digits than its factorization.

126923655782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824179603.

The product of its digits is 10886400, while the sum is 56.

The spelling of 126923655782 in words is "one hundred twenty-six billion, nine hundred twenty-three million, six hundred fifty-five thousand, seven hundred eighty-two".