345407377 has 16 divisors (see below), whose sum is σ = 418521600. Its totient is φ = 278281728.

The previous prime is 345407369. The next prime is 345407393. The reversal of 345407377 is 773704543.

It is a cyclic number.

It is not a de Polignac number, because 345407377 - 2³ = 345407369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345407317) 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, 123448 + ... + 126214.

It is an arithmetic number, because the mean of its divisors is an integer number (26157600).

Almost surely, 2^345407377 is an apocalyptic number.

It is an amenable number.

345407377 is a deficient number, since it is larger than the sum of its proper divisors (73114223).

345407377 is a wasteful number, since it uses less digits than its factorization.

345407377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840.

The product of its (nonzero) digits is 246960, while the sum is 40.

The square root of 345407377 is about 18585.1386058862. The cubic root of 345407377 is about 701.6338549160.

The spelling of 345407377 in words is "three hundred forty-five million, four hundred seven thousand, three hundred seventy-seven".