765068987904 has 480 divisors, whose sum is σ = 2345809546080. Its totient is φ = 220219834368.

The previous prime is 765068987869. The next prime is 765068987911. The reversal of 765068987904 is 409789860567.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1344584932 + ... + 1344585500.

It is an arithmetic number, because the mean of its divisors is an integer number (4887103221).

Almost surely, 2^765068987904 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 765068987904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172904773040).

765068987904 is an abundant number, since it is smaller than the sum of its proper divisors (1580740558176).

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

765068987904 is a wasteful number, since it uses less digits than its factorization.

765068987904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 69.

The spelling of 765068987904 in words is "seven hundred sixty-five billion, sixty-eight million, nine hundred eighty-seven thousand, nine hundred four".