77068957502 has 16 divisors (see below), whose sum is σ = 116364889872. Its totient is φ = 38281398720.

The previous prime is 77068957477. The next prime is 77068957523. The reversal of 77068957502 is 20575986077.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25178 + ... + 393410.

It is an arithmetic number, because the mean of its divisors is an integer number (7272805617).

Almost surely, 2^77068957502 is an apocalyptic number.

77068957502 is a deficient number, since it is larger than the sum of its proper divisors (39295932370).

77068957502 is a wasteful number, since it uses less digits than its factorization.

77068957502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368923.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 77068957502 in words is "seventy-seven billion, sixty-eight million, nine hundred fifty-seven thousand, five hundred two".