77245754476 has 48 divisors (see below), whose sum is σ = 148472352000. Its totient is φ = 34873200320.

The previous prime is 77245754471. The next prime is 77245754479. The reversal of 77245754476 is 67445754277.

It is a self number, because there is not a number n which added to its sum of digits gives 77245754476.

It is not an unprimeable number, because it can be changed into a prime (77245754471) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11011146 + ... + 11018158.

It is an arithmetic number, because the mean of its divisors is an integer number (3093174000).

Almost surely, 2^77245754476 is an apocalyptic number.

It is an amenable number.

77245754476 is a deficient number, since it is larger than the sum of its proper divisors (71226597524).

77245754476 is a wasteful number, since it uses less digits than its factorization.

77245754476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694 (or 8692 counting only the distinct ones).

The product of its digits is 46099200, while the sum is 58.

The spelling of 77245754476 in words is "seventy-seven billion, two hundred forty-five million, seven hundred fifty-four thousand, four hundred seventy-six".