769287980 has 12 divisors (see below), whose sum is σ = 1615504800. Its totient is φ = 307715184.

The previous prime is 769287947. The next prime is 769287983. The reversal of 769287980 is 89782967.

It is not an unprimeable number, because it can be changed into a prime (769287983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19232180 + ... + 19232219.

It is an arithmetic number, because the mean of its divisors is an integer number (134625400).

Almost surely, 2^769287980 is an apocalyptic number.

It is an amenable number.

769287980 is an abundant number, since it is smaller than the sum of its proper divisors (846216820).

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

769287980 is a wasteful number, since it uses less digits than its factorization.

769287980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38464408 (or 38464406 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 56.

The square root of 769287980 is about 27736.0411738950. The cubic root of 769287980 is about 916.2830418262.

The spelling of 769287980 in words is "seven hundred sixty-nine million, two hundred eighty-seven thousand, nine hundred eighty".