45677777791 has 2 divisors, whose sum is σ = 45677777792. Its totient is φ = 45677777790.

The previous prime is 45677777777. The next prime is 45677777879. The reversal of 45677777791 is 19777777654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45677777791 - 2²⁹ = 45140906879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45677777701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22838888895 + 22838888896.

It is an arithmetic number, because the mean of its divisors is an integer number (22838888896).

Almost surely, 2^45677777791 is an apocalyptic number.

45677777791 is a deficient number, since it is larger than the sum of its proper divisors (1).

45677777791 is an equidigital number, since it uses as much as digits as its factorization.

45677777791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127060920, while the sum is 67.

The spelling of 45677777791 in words is "forty-five billion, six hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred ninety-one".