346886563844 has 6 divisors (see below), whose sum is σ = 607051486734. Its totient is φ = 173443281920.

The previous prime is 346886563817. The next prime is 346886563873. The reversal of 346886563844 is 448365688643.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 239982414400 + 106904149444 = 489880^2 + 326962^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43360820477 + ... + 43360820484.

It is an arithmetic number, because the mean of its divisors is an integer number (101175247789).

Almost surely, 2^346886563844 is an apocalyptic number.

It is an amenable number.

346886563844 is a deficient number, since it is larger than the sum of its proper divisors (260164922890).

346886563844 is a wasteful number, since it uses less digits than its factorization.

346886563844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86721640965 (or 86721640963 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 65.

The spelling of 346886563844 in words is "three hundred forty-six billion, eight hundred eighty-six million, five hundred sixty-three thousand, eight hundred forty-four".