77067313660 has 24 divisors (see below), whose sum is σ = 161887007520. Its totient is φ = 30818230464.

The previous prime is 77067313649. The next prime is 77067313679. The reversal of 77067313660 is 6631376077.

It is a self number, because there is not a number n which added to its sum of digits gives 77067313660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470520 + ... + 612799.

It is an arithmetic number, because the mean of its divisors is an integer number (6745291980).

Almost surely, 2^77067313660 is an apocalyptic number.

It is an amenable number.

77067313660 is an abundant number, since it is smaller than the sum of its proper divisors (84819693860).

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

77067313660 is a wasteful number, since it uses less digits than its factorization.

77067313660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086885 (or 1086883 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 46.

The spelling of 77067313660 in words is "seventy-seven billion, sixty-seven million, three hundred thirteen thousand, six hundred sixty".