14977871971 has 2 divisors, whose sum is σ = 14977871972. Its totient is φ = 14977871970.

The previous prime is 14977871959. The next prime is 14977872097. The reversal of 14977871971 is 17917877941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14977871971 - 2⁹ = 14977871459 is a prime.

It is not a weakly prime, because it can be changed into another prime (14977851971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7488935985 + 7488935986.

It is an arithmetic number, because the mean of its divisors is an integer number (7488935986).

Almost surely, 2^14977871971 is an apocalyptic number.

14977871971 is a deficient number, since it is larger than the sum of its proper divisors (1).

14977871971 is an equidigital number, since it uses as much as digits as its factorization.

14977871971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6223392, while the sum is 61.

The spelling of 14977871971 in words is "fourteen billion, nine hundred seventy-seven million, eight hundred seventy-one thousand, nine hundred seventy-one".