4139880977 has 2 divisors, whose sum is σ = 4139880978. Its totient is φ = 4139880976.

The previous prime is 4139880973. The next prime is 4139880991. The reversal of 4139880977 is 7790889314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2776868416 + 1363012561 = 52696^2 + 36919^2 .

It is a cyclic number.

It is not a de Polignac number, because 4139880977 - 2² = 4139880973 is a prime.

It is a super-2 number, since 2×4139880977² = 34277229007452949058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4139880973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069940488 + 2069940489.

It is an arithmetic number, because the mean of its divisors is an integer number (2069940489).

Almost surely, 2^4139880977 is an apocalyptic number.

It is an amenable number.

4139880977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4139880977 is an equidigital number, since it uses as much as digits as its factorization.

4139880977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The square root of 4139880977 is about 64341.9068492689. The cubic root of 4139880977 is about 1605.6933856999.

The spelling of 4139880977 in words is "four billion, one hundred thirty-nine million, eight hundred eighty thousand, nine hundred seventy-seven".