683877097 has 4 divisors (see below), whose sum is σ = 686034756. Its totient is φ = 681719440.

The previous prime is 683877079. The next prime is 683877113. The reversal of 683877097 is 790778386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790778386 = 2 ⋅395389193.

It can be written as a sum of positive squares in 2 ways, for example, as 53816896 + 630060201 = 7336^2 + 25101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683877097 is a prime.

It is a super-2 number, since 2×683877097² = 935375767602294818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683874097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078354 + ... + 1078987.

It is an arithmetic number, because the mean of its divisors is an integer number (171508689).

Almost surely, 2^683877097 is an apocalyptic number.

It is an amenable number.

683877097 is a deficient number, since it is larger than the sum of its proper divisors (2157659).

683877097 is a wasteful number, since it uses less digits than its factorization.

683877097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157658.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 683877097 is about 26151.0438988580. The cubic root of 683877097 is about 881.0340362966.

The spelling of 683877097 in words is "six hundred eighty-three million, eight hundred seventy-seven thousand, ninety-seven".