77045712233431 has 2 divisors, whose sum is σ = 77045712233432. Its totient is φ = 77045712233430.

The previous prime is 77045712233401. The next prime is 77045712233437. The reversal of 77045712233431 is 13433221754077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77045712233431 - 2⁴⁵ = 41861340144599 is a prime.

It is a super-2 number, since 2×77045712233431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77045712233437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38522856116715 + 38522856116716.

It is an arithmetic number, because the mean of its divisors is an integer number (38522856116716).

Almost surely, 2^{77045712233431} is an apocalyptic number.

77045712233431 is a deficient number, since it is larger than the sum of its proper divisors (1).

77045712233431 is an equidigital number, since it uses as much as digits as its factorization.

77045712233431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 77045712233431 in words is "seventy-seven trillion, forty-five billion, seven hundred twelve million, two hundred thirty-three thousand, four hundred thirty-one".