76776770384 has 20 divisors (see below), whose sum is σ = 152214412416. Its totient is φ = 37495631712.

The previous prime is 76776770381. The next prime is 76776770393. The reversal of 76776770384 is 48307767767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76776770381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55796384 + ... + 55797759.

Almost surely, 2^76776770384 is an apocalyptic number.

It is an amenable number.

76776770384 is a deficient number, since it is larger than the sum of its proper divisors (75437642032).

76776770384 is a wasteful number, since it uses less digits than its factorization.

76776770384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111594194 (or 111594188 counting only the distinct ones).

The product of its (nonzero) digits is 58084992, while the sum is 62.

The spelling of 76776770384 in words is "seventy-six billion, seven hundred seventy-six million, seven hundred seventy thousand, three hundred eighty-four".