2078790331 has 2 divisors, whose sum is σ = 2078790332. Its totient is φ = 2078790330.

The previous prime is 2078790319. The next prime is 2078790349. The reversal of 2078790331 is 1330978702.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2078790331 is a prime.

It is a super-2 number, since 2×2078790331² = 8642738480518179122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2078790031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039395165 + 1039395166.

It is an arithmetic number, because the mean of its divisors is an integer number (1039395166).

Almost surely, 2^2078790331 is an apocalyptic number.

2078790331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078790331 is an equidigital number, since it uses as much as digits as its factorization.

2078790331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 2078790331 is about 45593.7532015078. The cubic root of 2078790331 is about 1276.2533528876.

The spelling of 2078790331 in words is "two billion, seventy-eight million, seven hundred ninety thousand, three hundred thirty-one".