1167042820477 has 8 divisors (see below), whose sum is σ = 1174681415000. Its totient is φ = 1159406823744.

The previous prime is 1167042820399. The next prime is 1167042820483. The reversal of 1167042820477 is 7740282407611.

It can be written as a sum of positive squares in 4 ways, for example, as 75465034681 + 1091577785796 = 274709^2 + 1044786^2 .

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-1167042820477 is a prime.

It is a super-2 number, since 2×1167042820477² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1167042820477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167042820777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256099 + ... + 1549087.

It is an arithmetic number, because the mean of its divisors is an integer number (146835176875).

Almost surely, 2^{1167042820477} is an apocalyptic number.

It is an amenable number.

1167042820477 is a deficient number, since it is larger than the sum of its proper divisors (7638594523).

1167042820477 is a wasteful number, since it uses less digits than its factorization.

1167042820477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298895.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 1167042820477 in words is "one trillion, one hundred sixty-seven billion, forty-two million, eight hundred twenty thousand, four hundred seventy-seven".