77876220336 has 40 divisors (see below), whose sum is σ = 201319448064. Its totient is φ = 25940777280.

The previous prime is 77876220293. The next prime is 77876220377. The reversal of 77876220336 is 63302267877.

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, 491160 + ... + 630071.

Almost surely, 2^77876220336 is an apocalyptic number.

It is an amenable number.

77876220336 is an abundant number, since it is smaller than the sum of its proper divisors (123443227728).

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

77876220336 is a wasteful number, since it uses less digits than its factorization.

77876220336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122689 (or 1122683 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 77876220336 in words is "seventy-seven billion, eight hundred seventy-six million, two hundred twenty thousand, three hundred thirty-six".