77349273111831 has 24 divisors (see below), whose sum is σ = 119972027996544. Its totient is φ = 44198948430000.

The previous prime is 77349273111823. The next prime is 77349273111881. The reversal of 77349273111831 is 13811137294377.

It is not a de Polignac number, because 77349273111831 - 2³ = 77349273111823 is a prime.

It is a super-2 number, since 2×77349273111831² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77349273111881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6556206 + ... + 14059956.

It is an arithmetic number, because the mean of its divisors is an integer number (4998834499856).

Almost surely, 2^{77349273111831} is an apocalyptic number.

77349273111831 is a deficient number, since it is larger than the sum of its proper divisors (42622754884713).

77349273111831 is a wasteful number, since it uses less digits than its factorization.

77349273111831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573891 (or 7573884 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 57.

The spelling of 77349273111831 in words is "seventy-seven trillion, three hundred forty-nine billion, two hundred seventy-three million, one hundred eleven thousand, eight hundred thirty-one".