343965975387 has 16 divisors (see below), whose sum is σ = 474663843840. Its totient is φ = 221296979232.

The previous prime is 343965975377. The next prime is 343965975401. The reversal of 343965975387 is 783579569343.

It is not a de Polignac number, because 343965975387 - 2⁶ = 343965975323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343965975317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767803 + ... + 1130244.

It is an arithmetic number, because the mean of its divisors is an integer number (29666490240).

Almost surely, 2^343965975387 is an apocalyptic number.

343965975387 is a deficient number, since it is larger than the sum of its proper divisors (130697868453).

343965975387 is a wasteful number, since it uses less digits than its factorization.

343965975387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900162.

The product of its digits is 514382400, while the sum is 69.

The spelling of 343965975387 in words is "three hundred forty-three billion, nine hundred sixty-five million, nine hundred seventy-five thousand, three hundred eighty-seven".