2278974897 has 24 divisors (see below), whose sum is σ = 3313486176. Its totient is φ = 1509368256.

The previous prime is 2278974881. The next prime is 2278974913. The reversal of 2278974897 is 7984798722.

It is an interprime number because it is at equal distance from previous prime (2278974881) and next prime (2278974913).

It is not a de Polignac number, because 2278974897 - 2⁴ = 2278974881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2278974877) 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 in 23 ways as a sum of consecutive naturals, for example, 957573 + ... + 959949.

It is an arithmetic number, because the mean of its divisors is an integer number (138061924).

Almost surely, 2^2278974897 is an apocalyptic number.

It is an amenable number.

2278974897 is a deficient number, since it is larger than the sum of its proper divisors (1034511279).

2278974897 is a wasteful number, since it uses less digits than its factorization.

2278974897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037 (or 3034 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The square root of 2278974897 is about 47738.6101284903. The cubic root of 2278974897 is about 1315.9715907507.

The spelling of 2278974897 in words is "two billion, two hundred seventy-eight million, nine hundred seventy-four thousand, eight hundred ninety-seven".