77053256575679 has 2 divisors, whose sum is σ = 77053256575680. Its totient is φ = 77053256575678.

The previous prime is 77053256575657. The next prime is 77053256575697. The reversal of 77053256575679 is 97657565235077.

Together with next prime (77053256575697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77053256575679 - 2²⁴ = 77053239798463 is a prime.

It is a super-2 number, since 2×77053256575679² (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 (77053256575639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38526628287839 + 38526628287840.

It is an arithmetic number, because the mean of its divisors is an integer number (38526628287840).

Almost surely, 2^{77053256575679} is an apocalyptic number.

77053256575679 is a deficient number, since it is larger than the sum of its proper divisors (1).

77053256575679 is an equidigital number, since it uses as much as digits as its factorization.

77053256575679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2917215000, while the sum is 74.

The spelling of 77053256575679 in words is "seventy-seven trillion, fifty-three billion, two hundred fifty-six million, five hundred seventy-five thousand, six hundred seventy-nine".