1972879287763 has 2 divisors, whose sum is σ = 1972879287764. Its totient is φ = 1972879287762.

The previous prime is 1972879287737. The next prime is 1972879287781. The reversal of 1972879287763 is 3677829782791.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1972879287763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1972879287763.

It is not a weakly prime, because it can be changed into another prime (1972879257763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986439643881 + 986439643882.

It is an arithmetic number, because the mean of its divisors is an integer number (986439643882).

Almost surely, 2^{1972879287763} is an apocalyptic number.

1972879287763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1972879287763 is an equidigital number, since it uses as much as digits as its factorization.

1972879287763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896168448, while the sum is 76.

The spelling of 1972879287763 in words is "one trillion, nine hundred seventy-two billion, eight hundred seventy-nine million, two hundred eighty-seven thousand, seven hundred sixty-three".