345322787 has 6 divisors (see below), whose sum is σ = 353952444. Its totient is φ = 336898640.

The previous prime is 345322753. The next prime is 345322793. The reversal of 345322787 is 787223543.

It is not a de Polignac number, because 345322787 - 2¹⁸ = 345060643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345322387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101033 + ... + 104394.

It is an arithmetic number, because the mean of its divisors is an integer number (58992074).

Almost surely, 2^345322787 is an apocalyptic number.

345322787 is a deficient number, since it is larger than the sum of its proper divisors (8629657).

345322787 is an equidigital number, since it uses as much as digits as its factorization.

345322787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205509 (or 205468 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 345322787 is about 18582.8627234880. The cubic root of 345322787 is about 701.5765737099.

The spelling of 345322787 in words is "three hundred forty-five million, three hundred twenty-two thousand, seven hundred eighty-seven".