272078819 has 2 divisors, whose sum is σ = 272078820. Its totient is φ = 272078818.

The previous prime is 272078813. The next prime is 272078827. The reversal of 272078819 is 918870272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272078819 - 2⁸ = 272078563 is a prime.

It is a super-2 number, since 2×272078819² = 148053767496869522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272078819.

It is not a weakly prime, because it can be changed into another prime (272078813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136039409 + 136039410.

It is an arithmetic number, because the mean of its divisors is an integer number (136039410).

Almost surely, 2^272078819 is an apocalyptic number.

272078819 is a deficient number, since it is larger than the sum of its proper divisors (1).

272078819 is an equidigital number, since it uses as much as digits as its factorization.

272078819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 272078819 is about 16494.8118813159. The cubic root of 272078819 is about 647.9849382708.

The spelling of 272078819 in words is "two hundred seventy-two million, seventy-eight thousand, eight hundred nineteen".