769999930872 has 128 divisors (see below), whose sum is σ = 2048772096000. Its totient is φ = 240653761920.

The previous prime is 769999930871. The next prime is 769999930873. The reversal of 769999930872 is 278039999967.

769999930872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (769999930871) and next prime (769999930873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769999930871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5997997 + ... + 6125027.

It is an arithmetic number, because the mean of its divisors is an integer number (16006032000).

Almost surely, 2^769999930872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769999930872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024386048000).

769999930872 is an abundant number, since it is smaller than the sum of its proper divisors (1278772165128).

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

769999930872 is a wasteful number, since it uses less digits than its factorization.

769999930872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127281 (or 127277 counting only the distinct ones).

The product of its (nonzero) digits is 833299488, while the sum is 78.

The spelling of 769999930872 in words is "seven hundred sixty-nine billion, nine hundred ninety-nine million, nine hundred thirty thousand, eight hundred seventy-two".