1077758811967 has 4 divisors (see below), whose sum is σ = 1092938513616. Its totient is φ = 1062579110320.

The previous prime is 1077758811937. The next prime is 1077758812001. The reversal of 1077758811967 is 7691188577701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077758811967 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 (1077758811937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7589850718 + ... + 7589850859.

It is an arithmetic number, because the mean of its divisors is an integer number (273234628404).

Almost surely, 2^{1077758811967} is an apocalyptic number.

1077758811967 is a deficient number, since it is larger than the sum of its proper divisors (15179701649).

1077758811967 is an equidigital number, since it uses as much as digits as its factorization.

1077758811967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15179701648.

The product of its (nonzero) digits is 41489280, while the sum is 67.

The spelling of 1077758811967 in words is "one trillion, seventy-seven billion, seven hundred fifty-eight million, eight hundred eleven thousand, nine hundred sixty-seven".