77982419036 has 24 divisors (see below), whose sum is σ = 143959495680. Its totient is φ = 36859925232.

The previous prime is 77982419029. The next prime is 77982419089. The reversal of 77982419036 is 63091428977.

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, 1063100 + ... + 1134083.

It is an arithmetic number, because the mean of its divisors is an integer number (5998312320).

Almost surely, 2^77982419036 is an apocalyptic number.

77982419036 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

77982419036 is a deficient number, since it is larger than the sum of its proper divisors (65977076644).

77982419036 is a wasteful number, since it uses less digits than its factorization.

77982419036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197673 (or 2197671 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 77982419036 in words is "seventy-seven billion, nine hundred eighty-two million, four hundred nineteen thousand, thirty-six".