339911977 has 2 divisors, whose sum is σ = 339911978. Its totient is φ = 339911976.

The previous prime is 339911941. The next prime is 339911989. The reversal of 339911977 is 779119933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327031056 + 12880921 = 18084^2 + 3589^2 .

It is a cyclic number.

It is not a de Polignac number, because 339911977 - 2¹⁹ = 339387689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 339911977.

It is not a weakly prime, because it can be changed into another prime (339911177) 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, 169955988 + 169955989.

It is an arithmetic number, because the mean of its divisors is an integer number (169955989).

Almost surely, 2^339911977 is an apocalyptic number.

It is an amenable number.

339911977 is a deficient number, since it is larger than the sum of its proper divisors (1).

339911977 is an equidigital number, since it uses as much as digits as its factorization.

339911977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 321489, while the sum is 49.

The square root of 339911977 is about 18436.7019013705. The cubic root of 339911977 is about 697.8929681836.

It can be divided in two parts, 3399 and 11977, that added together give a square (15376 = 124²).

The spelling of 339911977 in words is "three hundred thirty-nine million, nine hundred eleven thousand, nine hundred seventy-seven".