764701561712 has 120 divisors (see below), whose sum is σ = 1671442520832. Its totient is φ = 336105158400.

The previous prime is 764701561699. The next prime is 764701561739. The reversal of 764701561712 is 217165107467.

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 23 ways as a sum of consecutive naturals, for example, 39264137 + ... + 39283607.

Almost surely, 2^764701561712 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 764701561712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835721260416).

764701561712 is an abundant number, since it is smaller than the sum of its proper divisors (906740959120).

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

764701561712 is a wasteful number, since it uses less digits than its factorization.

764701561712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19727 (or 19684 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 764701561712 in words is "seven hundred sixty-four billion, seven hundred one million, five hundred sixty-one thousand, seven hundred twelve".