346809640776 has 16 divisors (see below), whose sum is σ = 867024102000. Its totient is φ = 115603213584.

The previous prime is 346809640763. The next prime is 346809640783. The reversal of 346809640776 is 677046908643.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7225200826 + ... + 7225200873.

It is an arithmetic number, because the mean of its divisors is an integer number (54189006375).

Almost surely, 2^346809640776 is an apocalyptic number.

It is an amenable number.

346809640776 is an abundant number, since it is smaller than the sum of its proper divisors (520214461224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346809640776 is a wasteful number, since it uses less digits than its factorization.

346809640776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14450401708 (or 14450401704 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 346809640776 in words is "three hundred forty-six billion, eight hundred nine million, six hundred forty thousand, seven hundred seventy-six".