77343973011 has 16 divisors (see below), whose sum is σ = 115718159520. Its totient is φ = 51052125600.

The previous prime is 77343972989. The next prime is 77343973027. The reversal of 77343973011 is 11037934377.

It is not a de Polignac number, because 77343973011 - 2³⁰ = 76270231187 is a prime.

It is a super-2 number, since 2×77343973011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77343973711) 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, 14178420 + ... + 14183873.

It is an arithmetic number, because the mean of its divisors is an integer number (7232384970).

Almost surely, 2^77343973011 is an apocalyptic number.

77343973011 is a deficient number, since it is larger than the sum of its proper divisors (38374186509).

77343973011 is a wasteful number, since it uses less digits than its factorization.

77343973011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28362403 (or 28362397 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 45.

The spelling of 77343973011 in words is "seventy-seven billion, three hundred forty-three million, nine hundred seventy-three thousand, eleven".