77416254028 has 12 divisors (see below), whose sum is σ = 135480493512. Its totient is φ = 38707541600.

The previous prime is 77416254017. The next prime is 77416254031. The reversal of 77416254028 is 82045261477.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307728 + ... + 499528.

It is an arithmetic number, because the mean of its divisors is an integer number (11290041126).

Almost surely, 2^77416254028 is an apocalyptic number.

It is an amenable number.

77416254028 is a deficient number, since it is larger than the sum of its proper divisors (58064239484).

77416254028 is a wasteful number, since it uses less digits than its factorization.

77416254028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292712 (or 292710 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 77416254028 in words is "seventy-seven billion, four hundred sixteen million, two hundred fifty-four thousand, twenty-eight".