345406516887 has 8 divisors (see below), whose sum is σ = 465013304704. Its totient is φ = 228035370168.

The previous prime is 345406516841. The next prime is 345406516891. The reversal of 345406516887 is 788615604543.

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

It is not a de Polignac number, because 345406516887 - 2¹⁴ = 345406500503 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 (345406516087) 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, 558909913 + ... + 558910530.

It is an arithmetic number, because the mean of its divisors is an integer number (58126663088).

Almost surely, 2^345406516887 is an apocalyptic number.

345406516887 is a deficient number, since it is larger than the sum of its proper divisors (119606787817).

345406516887 is a wasteful number, since it uses less digits than its factorization.

345406516887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117820549.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 345406516887 in words is "three hundred forty-five billion, four hundred six million, five hundred sixteen thousand, eight hundred eighty-seven".