77053256575663 has 8 divisors (see below), whose sum is σ = 77070514128608. Its totient is φ = 77036000815584.

The previous prime is 77053256575657. The next prime is 77053256575679. The reversal of 77053256575663 is 36657565235077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77053256575663 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 (77053256515663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87436345 + ... + 88313197.

It is an arithmetic number, because the mean of its divisors is an integer number (9633814266076).

Almost surely, 2^{77053256575663} is an apocalyptic number.

77053256575663 is a deficient number, since it is larger than the sum of its proper divisors (17257552945).

77053256575663 is a wasteful number, since it uses less digits than its factorization.

77053256575663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896433.

The product of its (nonzero) digits is 833490000, while the sum is 67.

The spelling of 77053256575663 in words is "seventy-seven trillion, fifty-three billion, two hundred fifty-six million, five hundred seventy-five thousand, six hundred sixty-three".