764122977871 has 8 divisors (see below), whose sum is σ = 882623332944. Its totient is φ = 653795061120.

The previous prime is 764122977859. The next prime is 764122977901. The reversal of 764122977871 is 178779221467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 764122977871 - 2¹¹ = 764122975823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764122977811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043109380 + ... + 2043109753.

It is an arithmetic number, because the mean of its divisors is an integer number (110327916618).

Almost surely, 2^764122977871 is an apocalyptic number.

764122977871 is a deficient number, since it is larger than the sum of its proper divisors (118500355073).

764122977871 is a wasteful number, since it uses less digits than its factorization.

764122977871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086219161.

The product of its digits is 16595712, while the sum is 61.

The spelling of 764122977871 in words is "seven hundred sixty-four billion, one hundred twenty-two million, nine hundred seventy-seven thousand, eight hundred seventy-one".