688427004876 has 24 divisors (see below), whose sum is σ = 1729893499824. Its totient is φ = 211823693760.

The previous prime is 688427004869. The next prime is 688427005003. The reversal of 688427004876 is 678400724886.

It is a super-3 number, since 3×688427004876³ (a number of 36 digits) contains 333 as substring.

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, 2206496655 + ... + 2206496966.

It is an arithmetic number, because the mean of its divisors is an integer number (72078895826).

Almost surely, 2^688427004876 is an apocalyptic number.

It is an amenable number.

688427004876 is an abundant number, since it is smaller than the sum of its proper divisors (1041466494948).

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

688427004876 is a wasteful number, since it uses less digits than its factorization.

688427004876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412993641 (or 4412993639 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 688427004876 in words is "six hundred eighty-eight billion, four hundred twenty-seven million, four thousand, eight hundred seventy-six".