763949905264 has 160 divisors (see below), whose sum is σ = 1852711418880. Its totient is φ = 297100210176.

The previous prime is 763949905259. The next prime is 763949905337. The reversal of 763949905264 is 462509949367.

It is a junction number, because it is equal to n+sod(n) for n = 763949905196 and 763949905205.

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, 49060872 + ... + 49076440.

It is an arithmetic number, because the mean of its divisors is an integer number (11579446368).

Almost surely, 2^763949905264 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 763949905264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926355709440).

763949905264 is an abundant number, since it is smaller than the sum of its proper divisors (1088761513616).

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

763949905264 is a wasteful number, since it uses less digits than its factorization.

763949905264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16167 (or 16161 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 64.

The spelling of 763949905264 in words is "seven hundred sixty-three billion, nine hundred forty-nine million, nine hundred five thousand, two hundred sixty-four".