2878486049 has 2 divisors, whose sum is σ = 2878486050. Its totient is φ = 2878486048.

The previous prime is 2878485983. The next prime is 2878486069. The reversal of 2878486049 is 9406848782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689148449 + 189337600 = 51857^2 + 13760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878486049 - 2²⁴ = 2861708833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2878485985 and 2878486003.

It is not a weakly prime, because it can be changed into another prime (2878486069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439243024 + 1439243025.

It is an arithmetic number, because the mean of its divisors is an integer number (1439243025).

Almost surely, 2^2878486049 is an apocalyptic number.

It is an amenable number.

2878486049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878486049 is an equidigital number, since it uses as much as digits as its factorization.

2878486049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The square root of 2878486049 is about 53651.5242001567. The cubic root of 2878486049 is about 1422.5079742944.

The spelling of 2878486049 in words is "two billion, eight hundred seventy-eight million, four hundred eighty-six thousand, forty-nine".