1964475782877 has 16 divisors (see below), whose sum is σ = 2689735403520. Its totient is φ = 1274822482752.

The previous prime is 1964475782791. The next prime is 1964475782879. The reversal of 1964475782877 is 7782875744691.

It is not a de Polignac number, because 1964475782877 - 2¹¹ = 1964475780829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1964475782799 and 1964475782808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964475782879) 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 15 ways as a sum of consecutive naturals, for example, 48622302 + ... + 48662687.

It is an arithmetic number, because the mean of its divisors is an integer number (168108462720).

Almost surely, 2^{1964475782877} is an apocalyptic number.

It is an amenable number.

1964475782877 is a deficient number, since it is larger than the sum of its proper divisors (725259620643).

1964475782877 is a wasteful number, since it uses less digits than its factorization.

1964475782877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97285172.

The product of its digits is 1327656960, while the sum is 75.

The spelling of 1964475782877 in words is "one trillion, nine hundred sixty-four billion, four hundred seventy-five million, seven hundred eighty-two thousand, eight hundred seventy-seven".