77743876431308 has 12 divisors (see below), whose sum is σ = 136250981100360. Its totient is φ = 38815024688352.

The previous prime is 77743876431307. The next prime is 77743876431313. The reversal of 77743876431308 is 80313467834777.

It is a super-3 number, since 3×77743876431308³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (77743876431301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14228378753 + ... + 14228384216.

It is an arithmetic number, because the mean of its divisors is an integer number (11354248425030).

Almost surely, 2^{77743876431308} is an apocalyptic number.

It is an amenable number.

77743876431308 is a deficient number, since it is larger than the sum of its proper divisors (58507104669052).

77743876431308 is a wasteful number, since it uses less digits than its factorization.

77743876431308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28456763656 (or 28456763654 counting only the distinct ones).

The product of its (nonzero) digits is 398297088, while the sum is 68.

The spelling of 77743876431308 in words is "seventy-seven trillion, seven hundred forty-three billion, eight hundred seventy-six million, four hundred thirty-one thousand, three hundred eight".