345097377 has 12 divisors (see below), whose sum is σ = 499392400. Its totient is φ = 229641048.

The previous prime is 345097373. The next prime is 345097387. The reversal of 345097377 is 773790543.

345097377 is a `hidden beast` number, since 3 + 4 + 509 + 73 + 77 = 666.

It is not a de Polignac number, because 345097377 - 2² = 345097373 is a prime.

It is a super-2 number, since 2×345097377² = 238184399224560258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345097373) 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 in 11 ways as a sum of consecutive naturals, for example, 30127 + ... + 39972.

Almost surely, 2^345097377 is an apocalyptic number.

It is an amenable number.

345097377 is a deficient number, since it is larger than the sum of its proper divisors (154295023).

345097377 is a wasteful number, since it uses less digits than its factorization.

345097377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70652 (or 70649 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 45.

The square root of 345097377 is about 18576.7967367897. The cubic root of 345097377 is about 701.4238887408.

The spelling of 345097377 in words is "three hundred forty-five million, ninety-seven thousand, three hundred seventy-seven".