769840351284 has 12 divisors (see below), whose sum is σ = 1796294153024. Its totient is φ = 256613450424.

The previous prime is 769840351213. The next prime is 769840351307. The reversal of 769840351284 is 482153048967.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32076681292 + ... + 32076681315.

It is a 1-persistent number, because it is pandigital, but 2⋅769840351284 = 1539680702568 is not.

Almost surely, 2^769840351284 is an apocalyptic number.

It is an amenable number.

769840351284 is an abundant number, since it is smaller than the sum of its proper divisors (1026453801740).

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

769840351284 is a wasteful number, since it uses less digits than its factorization.

769840351284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64153362614 (or 64153362612 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 769840351284 in words is "seven hundred sixty-nine billion, eight hundred forty million, three hundred fifty-one thousand, two hundred eighty-four".