764221601080 has 128 divisors (see below), whose sum is σ = 1981100436480. Its totient is φ = 259892904960.

The previous prime is 764221601071. The next prime is 764221601081. The reversal of 764221601080 is 80106122467.

764221601080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764221601081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106478452 + ... + 106485628.

It is an arithmetic number, because the mean of its divisors is an integer number (15477347160).

Almost surely, 2^764221601080 is an apocalyptic number.

764221601080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764221601080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990550218240).

764221601080 is an abundant number, since it is smaller than the sum of its proper divisors (1216878835400).

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

764221601080 is a wasteful number, since it uses less digits than its factorization.

764221601080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10229 (or 10225 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 764221601080 in words is "seven hundred sixty-four billion, two hundred twenty-one million, six hundred one thousand, eighty".