77462425898113 has 4 divisors (see below), whose sum is σ = 77462454914308. Its totient is φ = 77462396881920.

The previous prime is 77462425898111. The next prime is 77462425898141. The reversal of 77462425898113 is 31189852426477.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76870406450929 + 592019447184 = 8767577^2 + 769428^2 .

It is a cyclic number.

It is not a de Polignac number, because 77462425898113 - 2¹ = 77462425898111 is a prime.

It is a super-2 number, since 2×77462425898113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77462425898111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10046256 + ... + 15995377.

It is an arithmetic number, because the mean of its divisors is an integer number (19365613728577).

Almost surely, 2^{77462425898113} is an apocalyptic number.

It is an amenable number.

77462425898113 is a deficient number, since it is larger than the sum of its proper divisors (29016195).

77462425898113 is a wasteful number, since it uses less digits than its factorization.

77462425898113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29016194.

The product of its digits is 162570240, while the sum is 67.

The spelling of 77462425898113 in words is "seventy-seven trillion, four hundred sixty-two billion, four hundred twenty-five million, eight hundred ninety-eight thousand, one hundred thirteen".