354078779 has 2 divisors, whose sum is σ = 354078780. Its totient is φ = 354078778.

The previous prime is 354078763. The next prime is 354078793. The reversal of 354078779 is 977870453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354078779 - 2⁴ = 354078763 is a prime.

It is not a weakly prime, because it can be changed into another prime (354078749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177039389 + 177039390.

It is an arithmetic number, because the mean of its divisors is an integer number (177039390).

Almost surely, 2^354078779 is an apocalyptic number.

354078779 is a deficient number, since it is larger than the sum of its proper divisors (1).

354078779 is an equidigital number, since it uses as much as digits as its factorization.

354078779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 354078779 is about 18816.9811340714. The cubic root of 354078779 is about 707.4568667699.

The spelling of 354078779 in words is "three hundred fifty-four million, seventy-eight thousand, seven hundred seventy-nine".