77333747141 has 4 divisors (see below), whose sum is σ = 88381425312. Its totient is φ = 66286068972.

The previous prime is 77333747129. The next prime is 77333747147. The reversal of 77333747141 is 14174733377.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77333747141 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 (77333747147) 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, 5523839075 + ... + 5523839088.

It is an arithmetic number, because the mean of its divisors is an integer number (22095356328).

Almost surely, 2^77333747141 is an apocalyptic number.

It is an amenable number.

77333747141 is a deficient number, since it is larger than the sum of its proper divisors (11047678171).

77333747141 is a wasteful number, since it uses less digits than its factorization.

77333747141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11047678170.

The product of its digits is 1037232, while the sum is 47.

The spelling of 77333747141 in words is "seventy-seven billion, three hundred thirty-three million, seven hundred forty-seven thousand, one hundred forty-one".