4971177997 has 2 divisors, whose sum is σ = 4971177998. Its totient is φ = 4971177996.

The previous prime is 4971177989. The next prime is 4971178141. The reversal of 4971177997 is 7997711794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2745131236 + 2226046761 = 52394^2 + 47181^2 .

It is a cyclic number.

It is not a de Polignac number, because 4971177997 - 2³ = 4971177989 is a prime.

It is a super-2 number, since 2×4971177997² = 49425221355713864018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4971177947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485588998 + 2485588999.

It is an arithmetic number, because the mean of its divisors is an integer number (2485588999).

Almost surely, 2^4971177997 is an apocalyptic number.

It is an amenable number.

4971177997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4971177997 is an equidigital number, since it uses as much as digits as its factorization.

4971177997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7001316, while the sum is 61.

The square root of 4971177997 is about 70506.5812318254. The cubic root of 4971177997 is about 1706.6839509655.

The spelling of 4971177997 in words is "four billion, nine hundred seventy-one million, one hundred seventy-seven thousand, nine hundred ninety-seven".