457664663767 has 2 divisors, whose sum is σ = 457664663768. Its totient is φ = 457664663766.

The previous prime is 457664663723. The next prime is 457664663801. The reversal of 457664663767 is 767366466754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 457664663767 - 2¹⁵ = 457664630999 is a prime.

It is a super-2 number, since 2×457664663767² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457664663167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228832331883 + 228832331884.

It is an arithmetic number, because the mean of its divisors is an integer number (228832331884).

Almost surely, 2^457664663767 is an apocalyptic number.

457664663767 is a deficient number, since it is larger than the sum of its proper divisors (1).

457664663767 is an equidigital number, since it uses as much as digits as its factorization.

457664663767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640120320, while the sum is 67.

The spelling of 457664663767 in words is "four hundred fifty-seven billion, six hundred sixty-four million, six hundred sixty-three thousand, seven hundred sixty-seven".