77147467552 has 48 divisors (see below), whose sum is σ = 154067985792. Its totient is φ = 38019801600.

The previous prime is 77147467519. The next prime is 77147467601. The reversal of 77147467552 is 25576474177.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77147467493 and 77147467502.

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, 3743677 + ... + 3764227.

It is an arithmetic number, because the mean of its divisors is an integer number (3209749704).

Almost surely, 2^77147467552 is an apocalyptic number.

It is an amenable number.

77147467552 is a deficient number, since it is larger than the sum of its proper divisors (76920518240).

77147467552 is a wasteful number, since it uses less digits than its factorization.

77147467552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22241 (or 22233 counting only the distinct ones).

The product of its digits is 11524800, while the sum is 55.

The spelling of 77147467552 in words is "seventy-seven billion, one hundred forty-seven million, four hundred sixty-seven thousand, five hundred fifty-two".