77797567482 has 16 divisors (see below), whose sum is σ = 162360141120. Its totient is φ = 24805021472.

The previous prime is 77797567451. The next prime is 77797567511. The reversal of 77797567482 is 28476579777.

It is a super-2 number, since 2×77797567482² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

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 7 ways as a sum of consecutive naturals, for example, 281875107 + ... + 281875382.

It is an arithmetic number, because the mean of its divisors is an integer number (10147508820).

Almost surely, 2^77797567482 is an apocalyptic number.

77797567482 is an abundant number, since it is smaller than the sum of its proper divisors (84562573638).

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

77797567482 is a wasteful number, since it uses less digits than its factorization.

77797567482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563750517.

The product of its digits is 290424960, while the sum is 69.

The spelling of 77797567482 in words is "seventy-seven billion, seven hundred ninety-seven million, five hundred sixty-seven thousand, four hundred eighty-two".