1868810007 has 16 divisors (see below), whose sum is σ = 2608420608. Its totient is φ = 1187883840.

The previous prime is 1868809951. The next prime is 1868810033. The reversal of 1868810007 is 7000188681.

It is not a de Polignac number, because 1868810007 - 2⁷ = 1868809879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868810077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21669 + ... + 64862.

It is an arithmetic number, because the mean of its divisors is an integer number (163026288).

Almost surely, 2^1868810007 is an apocalyptic number.

1868810007 is a deficient number, since it is larger than the sum of its proper divisors (739610601).

1868810007 is a wasteful number, since it uses less digits than its factorization.

1868810007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86870.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 1868810007 is about 43229.7352177873. The cubic root of 1868810007 is about 1231.7475780061.

Adding to 1868810007 its reverse (7000188681), we get a palindrome (8868998688).

The spelling of 1868810007 in words is "one billion, eight hundred sixty-eight million, eight hundred ten thousand, seven".