2157078083 has 2 divisors, whose sum is σ = 2157078084. Its totient is φ = 2157078082.

The previous prime is 2157078061. The next prime is 2157078097. The reversal of 2157078083 is 3808707512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2157078083 - 2¹⁸ = 2156815939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2157078083.

It is not a weakly prime, because it can be changed into another prime (2157078043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078539041 + 1078539042.

It is an arithmetic number, because the mean of its divisors is an integer number (1078539042).

Almost surely, 2^2157078083 is an apocalyptic number.

2157078083 is a deficient number, since it is larger than the sum of its proper divisors (1).

2157078083 is an equidigital number, since it uses as much as digits as its factorization.

2157078083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 2157078083 is about 46444.3546946235. The cubic root of 2157078083 is about 1292.0776732770.

The spelling of 2157078083 in words is "two billion, one hundred fifty-seven million, seventy-eight thousand, eighty-three".