684737023796 has 24 divisors (see below), whose sum is σ = 1382038035840. Its totient is φ = 290766441312.

The previous prime is 684737023787. The next prime is 684737023801. The reversal of 684737023796 is 697320737486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112175360 + ... + 112181463.

It is an arithmetic number, because the mean of its divisors is an integer number (57584918160).

Almost surely, 2^684737023796 is an apocalyptic number.

It is an amenable number.

684737023796 is an abundant number, since it is smaller than the sum of its proper divisors (697301012044).

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

684737023796 is a wasteful number, since it uses less digits than its factorization.

684737023796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224356943 (or 224356941 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 62.

The spelling of 684737023796 in words is "six hundred eighty-four billion, seven hundred thirty-seven million, twenty-three thousand, seven hundred ninety-six".