345052787 has 8 divisors (see below), whose sum is σ = 373030800. Its totient is φ = 318056544.

The previous prime is 345052753. The next prime is 345052793. The reversal of 345052787 is 787250543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345052787 is a prime.

It is a super-2 number, since 2×345052787² = 238122851632934738, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (345052717) 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 7 ways as a sum of consecutive naturals, for example, 244712 + ... + 246117.

It is an arithmetic number, because the mean of its divisors is an integer number (46628850).

Almost surely, 2^345052787 is an apocalyptic number.

345052787 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

345052787 is a deficient number, since it is larger than the sum of its proper divisors (27978013).

345052787 is a wasteful number, since it uses less digits than its factorization.

345052787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490885.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 345052787 is about 18575.5965449296. The cubic root of 345052787 is about 701.3936771344.

The spelling of 345052787 in words is "three hundred forty-five million, fifty-two thousand, seven hundred eighty-seven".