345676787 has 4 divisors (see below), whose sum is σ = 345714240. Its totient is φ = 345639336.

The previous prime is 345676783. The next prime is 345676817. The reversal of 345676787 is 787676543.

345676787 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 345676787 - 2² = 345676783 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345676783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6014 + ... + 26972.

It is an arithmetic number, because the mean of its divisors is an integer number (86428560).

Almost surely, 2^345676787 is an apocalyptic number.

345676787 is a deficient number, since it is larger than the sum of its proper divisors (37453).

345676787 is a wasteful number, since it uses less digits than its factorization.

345676787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37452.

The product of its digits is 5927040, while the sum is 53.

The square root of 345676787 is about 18592.3851885658. The cubic root of 345676787 is about 701.8162270607.

The spelling of 345676787 in words is "three hundred forty-five million, six hundred seventy-six thousand, seven hundred eighty-seven".