77941706824 has 16 divisors (see below), whose sum is σ = 153832316400. Its totient is φ = 36919755792.

The previous prime is 77941706809. The next prime is 77941706851. The reversal of 77941706824 is 42860714977.

It is a happy number.

It is a super-3 number, since 3×77941706824³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256387042 + ... + 256387345.

It is an arithmetic number, because the mean of its divisors is an integer number (9614519775).

Almost surely, 2^77941706824 is an apocalyptic number.

It is an amenable number.

77941706824 is a deficient number, since it is larger than the sum of its proper divisors (75890609576).

77941706824 is a wasteful number, since it uses less digits than its factorization.

77941706824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512774412 (or 512774408 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 77941706824 in words is "seventy-seven billion, nine hundred forty-one million, seven hundred six thousand, eight hundred twenty-four".