77305410749 has 16 divisors (see below), whose sum is σ = 88731836160. Its totient is φ = 65974953600.

The previous prime is 77305410719. The next prime is 77305410757. The reversal of 77305410749 is 94701450377.

It is a cyclic number.

It is not a de Polignac number, because 77305410749 - 2¹² = 77305406653 is a prime.

It is a super-2 number, since 2×77305410749² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77305410719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3835799 + ... + 3855899.

It is an arithmetic number, because the mean of its divisors is an integer number (5545739760).

Almost surely, 2^77305410749 is an apocalyptic number.

It is an amenable number.

77305410749 is a deficient number, since it is larger than the sum of its proper divisors (11426425411).

77305410749 is a wasteful number, since it uses less digits than its factorization.

77305410749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22460.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 77305410749 in words is "seventy-seven billion, three hundred five million, four hundred ten thousand, seven hundred forty-nine".