349850077 has 2 divisors, whose sum is σ = 349850078. Its totient is φ = 349850076.

The previous prime is 349850069. The next prime is 349850131. The reversal of 349850077 is 770058943.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191241241 + 158608836 = 13829^2 + 12594^2 .

It is an emirp because it is prime and its reverse (770058943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349850077 - 2³ = 349850069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349850057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174925038 + 174925039.

It is an arithmetic number, because the mean of its divisors is an integer number (174925039).

Almost surely, 2^349850077 is an apocalyptic number.

It is an amenable number.

349850077 is a deficient number, since it is larger than the sum of its proper divisors (1).

349850077 is an equidigital number, since it uses as much as digits as its factorization.

349850077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 349850077 is about 18704.2796439745. The cubic root of 349850077 is about 704.6292348196.

The spelling of 349850077 in words is "three hundred forty-nine million, eight hundred fifty thousand, seventy-seven".