4097872477 has 2 divisors, whose sum is σ = 4097872478. Its totient is φ = 4097872476.

The previous prime is 4097872393. The next prime is 4097872489. The reversal of 4097872477 is 7742787904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4062660121 + 35212356 = 63739^2 + 5934^2 .

It is a cyclic number.

It is not a de Polignac number, because 4097872477 - 2¹⁵ = 4097839709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4097972477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048936238 + 2048936239.

It is an arithmetic number, because the mean of its divisors is an integer number (2048936239).

Almost surely, 2^4097872477 is an apocalyptic number.

It is an amenable number.

4097872477 is a deficient number, since it is larger than the sum of its proper divisors (1).

4097872477 is an equidigital number, since it uses as much as digits as its factorization.

4097872477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5531904, while the sum is 55.

The square root of 4097872477 is about 64014.6270550723. The cubic root of 4097872477 is about 1600.2437749661.

The spelling of 4097872477 in words is "four billion, ninety-seven million, eight hundred seventy-two thousand, four hundred seventy-seven".