1077768081447 has 8 divisors (see below), whose sum is σ = 1444963469040. Its totient is φ = 714542374080.

The previous prime is 1077768081431. The next prime is 1077768081451. The reversal of 1077768081447 is 7441808677701.

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

It is not a de Polignac number, because 1077768081447 - 2⁴ = 1077768081431 is a prime.

It is a super-2 number, since 2×1077768081447² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077768031447) 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, 992419422 + ... + 992420507.

It is an arithmetic number, because the mean of its divisors is an integer number (180620433630).

Almost surely, 2^{1077768081447} is an apocalyptic number.

1077768081447 is a deficient number, since it is larger than the sum of its proper divisors (367195387593).

1077768081447 is a wasteful number, since it uses less digits than its factorization.

1077768081447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984840113.

The product of its (nonzero) digits is 14751744, while the sum is 60.

The spelling of 1077768081447 in words is "one trillion, seventy-seven billion, seven hundred sixty-eight million, eighty-one thousand, four hundred forty-seven".