77076947164 has 24 divisors (see below), whose sum is σ = 154171726688. Its totient is φ = 33029156160.

The previous prime is 77076947141. The next prime is 77076947203. The reversal of 77076947164 is 46174967077.

It is a junction number, because it is equal to n+sod(n) for n = 77076947099 and 77076947108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94234 + ... + 403774.

Almost surely, 2^77076947164 is an apocalyptic number.

It is an amenable number.

77076947164 is an abundant number, since it is smaller than the sum of its proper divisors (77094779524).

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

77076947164 is a wasteful number, since it uses less digits than its factorization.

77076947164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318445 (or 318443 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 58.

The spelling of 77076947164 in words is "seventy-seven billion, seventy-six million, nine hundred forty-seven thousand, one hundred sixty-four".