980554874867 has 2 divisors, whose sum is σ = 980554874868. Its totient is φ = 980554874866.

The previous prime is 980554874851. The next prime is 980554874903. The reversal of 980554874867 is 768478455089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 980554874867 - 2⁴ = 980554874851 is a prime.

It is a super-2 number, since 2×980554874867² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 980554874867.

It is not a weakly prime, because it can be changed into another prime (980554874267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490277437433 + 490277437434.

It is an arithmetic number, because the mean of its divisors is an integer number (490277437434).

Almost surely, 2^980554874867 is an apocalyptic number.

980554874867 is a deficient number, since it is larger than the sum of its proper divisors (1).

980554874867 is an equidigital number, since it uses as much as digits as its factorization.

980554874867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 541900800, while the sum is 71.

The spelling of 980554874867 in words is "nine hundred eighty billion, five hundred fifty-four million, eight hundred seventy-four thousand, eight hundred sixty-seven".