354938977 has 2 divisors, whose sum is σ = 354938978. Its totient is φ = 354938976.

The previous prime is 354938953. The next prime is 354938993. The reversal of 354938977 is 779839453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243235216 + 111703761 = 15596^2 + 10569^2 .

It is a cyclic number.

It is not a de Polignac number, because 354938977 - 2¹⁹ = 354414689 is a prime.

It is not a weakly prime, because it can be changed into another prime (354938477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177469488 + 177469489.

It is an arithmetic number, because the mean of its divisors is an integer number (177469489).

Almost surely, 2^354938977 is an apocalyptic number.

It is an amenable number.

354938977 is a deficient number, since it is larger than the sum of its proper divisors (1).

354938977 is an equidigital number, since it uses as much as digits as its factorization.

354938977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 55.

The square root of 354938977 is about 18839.8242295410. The cubic root of 354938977 is about 708.0293013770.

The spelling of 354938977 in words is "three hundred fifty-four million, nine hundred thirty-eight thousand, nine hundred seventy-seven".