2992155857 has 2 divisors, whose sum is σ = 2992155858. Its totient is φ = 2992155856.

The previous prime is 2992155847. The next prime is 2992155869. The reversal of 2992155857 is 7585512992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2942086081 + 50069776 = 54241^2 + 7076^2 .

It is a cyclic number.

It is not a de Polignac number, because 2992155857 - 2¹⁰ = 2992154833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2992155799 and 2992155808.

It is not a weakly prime, because it can be changed into another prime (2992155847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1496077928 + 1496077929.

It is an arithmetic number, because the mean of its divisors is an integer number (1496077929).

Almost surely, 2^2992155857 is an apocalyptic number.

It is an amenable number.

2992155857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2992155857 is an equidigital number, since it uses as much as digits as its factorization.

2992155857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268000, while the sum is 53.

The square root of 2992155857 is about 54700.6019802342. The cubic root of 2992155857 is about 1440.9914495861.

The spelling of 2992155857 in words is "two billion, nine hundred ninety-two million, one hundred fifty-five thousand, eight hundred fifty-seven".