764163428504 has 128 divisors (see below), whose sum is σ = 1841818176000. Its totient is φ = 289331398656.

The previous prime is 764163428473. The next prime is 764163428513. The reversal of 764163428504 is 405824361467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1777799 + ... + 2165385.

It is an arithmetic number, because the mean of its divisors is an integer number (14389204500).

Almost surely, 2^764163428504 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 764163428504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920909088000).

764163428504 is an abundant number, since it is smaller than the sum of its proper divisors (1077654747496).

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

764163428504 is a wasteful number, since it uses less digits than its factorization.

764163428504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387745 (or 387741 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 764163428504 in words is "seven hundred sixty-four billion, one hundred sixty-three million, four hundred twenty-eight thousand, five hundred four".