345047777457 has 8 divisors (see below), whose sum is σ = 460104279360. Its totient is φ = 230011563600.

The previous prime is 345047777407. The next prime is 345047777489. The reversal of 345047777457 is 754777740543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345047777457 - 2¹¹ = 345047775409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345047777457.

It is not an unprimeable number, because it can be changed into a prime (345047777407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5032282 + ... + 5100387.

It is an arithmetic number, because the mean of its divisors is an integer number (57513034920).

Almost surely, 2^345047777457 is an apocalyptic number.

It is an amenable number.

345047777457 is a deficient number, since it is larger than the sum of its proper divisors (115056501903).

345047777457 is a wasteful number, since it uses less digits than its factorization.

345047777457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144023.

The product of its (nonzero) digits is 80673600, while the sum is 60.

The spelling of 345047777457 in words is "three hundred forty-five billion, forty-seven million, seven hundred seventy-seven thousand, four hundred fifty-seven".