1868872059 has 6 divisors (see below), whose sum is σ = 2699481876. Its totient is φ = 1245914700.

The previous prime is 1868872013. The next prime is 1868872081. The reversal of 1868872059 is 9502788681.

It is not a de Polignac number, because 1868872059 - 2¹¹ = 1868870011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1868871996 and 1868872014.

It is not an unprimeable number, because it can be changed into a prime (1868872559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103826217 + ... + 103826234.

It is an arithmetic number, because the mean of its divisors is an integer number (449913646).

Almost surely, 2^1868872059 is an apocalyptic number.

1868872059 is a deficient number, since it is larger than the sum of its proper divisors (830609817).

1868872059 is a wasteful number, since it uses less digits than its factorization.

1868872059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207652457 (or 207652454 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The square root of 1868872059 is about 43230.4529122701. The cubic root of 1868872059 is about 1231.7612108445.

The spelling of 1868872059 in words is "one billion, eight hundred sixty-eight million, eight hundred seventy-two thousand, fifty-nine".