77825010867463 has 4 divisors (see below), whose sum is σ = 78127831921680. Its totient is φ = 77522189813248.

The previous prime is 77825010867449. The next prime is 77825010867473. The reversal of 77825010867463 is 36476801052877.

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

It is a cyclic number.

It is not a de Polignac number, because 77825010867463 - 2⁴⁵ = 42640638778631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77825010867395 and 77825010867404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77825010867473) 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, 151410526723 + ... + 151410527236.

It is an arithmetic number, because the mean of its divisors is an integer number (19531957980420).

Almost surely, 2^{77825010867463} is an apocalyptic number.

77825010867463 is a deficient number, since it is larger than the sum of its proper divisors (302821054217).

77825010867463 is a wasteful number, since it uses less digits than its factorization.

77825010867463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302821054216.

The product of its (nonzero) digits is 94832640, while the sum is 64.

The spelling of 77825010867463 in words is "seventy-seven trillion, eight hundred twenty-five billion, ten million, eight hundred sixty-seven thousand, four hundred sixty-three".