345011782557 has 8 divisors (see below), whose sum is σ = 495401533984. Its totient is φ = 212314943088.

The previous prime is 345011782547. The next prime is 345011782573. The reversal of 345011782557 is 755287110543.

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

It is not a de Polignac number, because 345011782557 - 2⁴ = 345011782541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345011782517) 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, 4423227943 + ... + 4423228020.

It is an arithmetic number, because the mean of its divisors is an integer number (61925191748).

Almost surely, 2^345011782557 is an apocalyptic number.

It is an amenable number.

345011782557 is a deficient number, since it is larger than the sum of its proper divisors (150389751427).

345011782557 is a wasteful number, since it uses less digits than its factorization.

345011782557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846455979.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 345011782557 in words is "three hundred forty-five billion, eleven million, seven hundred eighty-two thousand, five hundred fifty-seven".