349999977 has 16 divisors (see below), whose sum is σ = 475416000. Its totient is φ = 228972864.

The previous prime is 349999973. The next prime is 349999987. The reversal of 349999977 is 779999943.

It is not a de Polignac number, because 349999977 - 2² = 349999973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349999973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124099 + ... + 126887.

It is an arithmetic number, because the mean of its divisors is an integer number (29713500).

Almost surely, 2^349999977 is an apocalyptic number.

It is an amenable number.

349999977 is a deficient number, since it is larger than the sum of its proper divisors (125416023).

349999977 is a wasteful number, since it uses less digits than its factorization.

349999977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560.

The product of its digits is 34720812, while the sum is 66.

The square root of 349999977 is about 18708.2863191688. The cubic root of 349999977 is about 704.7298577695.

The spelling of 349999977 in words is "three hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred seventy-seven".