4078988957 has 2 divisors, whose sum is σ = 4078988958. Its totient is φ = 4078988956.

The previous prime is 4078988923. The next prime is 4078988971. The reversal of 4078988957 is 7598898704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3749602756 + 329386201 = 61234^2 + 18149^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078988957 - 2²⁸ = 3810553501 is a prime.

It is a super-2 number, since 2×4078988957² = 33276301822655895698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4078988893 and 4078988902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4078988917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039494478 + 2039494479.

It is an arithmetic number, because the mean of its divisors is an integer number (2039494479).

Almost surely, 2^4078988957 is an apocalyptic number.

It is an amenable number.

4078988957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078988957 is an equidigital number, since it uses as much as digits as its factorization.

4078988957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 65.

The square root of 4078988957 is about 63866.9629542536. The cubic root of 4078988957 is about 1597.7819470142.

The spelling of 4078988957 in words is "four billion, seventy-eight million, nine hundred eighty-eight thousand, nine hundred fifty-seven".