77252446641123 has 32 divisors (see below), whose sum is σ = 123283774010880. Its totient is φ = 47527621495200.

The previous prime is 77252446641119. The next prime is 77252446641169. The reversal of 77252446641123 is 32114664425277.

77252446641123 is a `hidden beast` number, since 7 + 7 + 2 + 52 + 4 + 466 + 4 + 1 + 123 = 666.

It is not a de Polignac number, because 77252446641123 - 2² = 77252446641119 is a prime.

It is a super-2 number, since 2×77252446641123² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77252446641123.

It is not an unprimeable number, because it can be changed into a prime (77252446641113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27224311 + ... + 29927712.

It is an arithmetic number, because the mean of its divisors is an integer number (3852617937840).

Almost surely, 2^{77252446641123} is an apocalyptic number.

77252446641123 is a deficient number, since it is larger than the sum of its proper divisors (46031327369757).

77252446641123 is a wasteful number, since it uses less digits than its factorization.

77252446641123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57155896 (or 57155890 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 77252446641123 in words is "seventy-seven trillion, two hundred fifty-two billion, four hundred forty-six million, six hundred forty-one thousand, one hundred twenty-three".