1688076801 has 8 divisors (see below), whose sum is σ = 2500854560. Its totient is φ = 1125384516.

The previous prime is 1688076799. The next prime is 1688076811. The reversal of 1688076801 is 1086708861.

It is not a de Polignac number, because 1688076801 - 2¹ = 1688076799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1688076811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31260655 + ... + 31260708.

It is an arithmetic number, because the mean of its divisors is an integer number (312606820).

Almost surely, 2^1688076801 is an apocalyptic number.

It is an amenable number.

1688076801 is a deficient number, since it is larger than the sum of its proper divisors (812777759).

1688076801 is an equidigital number, since it uses as much as digits as its factorization.

1688076801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62521372 (or 62521366 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 1688076801 is about 41086.2118112634. The cubic root of 1688076801 is about 1190.6864201187.

The spelling of 1688076801 in words is "one billion, six hundred eighty-eight million, seventy-six thousand, eight hundred one".