67899000807 has 144 divisors (see below), whose sum is σ = 116484915456. Its totient is φ = 37946304000.

The previous prime is 67899000797. The next prime is 67899000877. The reversal of 67899000807 is 70800099876.

It is not a de Polignac number, because 67899000807 - 2¹¹ = 67898998759 is a prime.

It is a super-2 number, since 2×67899000807² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67899000877) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 299114428 + ... + 299114654.

It is an arithmetic number, because the mean of its divisors is an integer number (808923024).

Almost surely, 2^67899000807 is an apocalyptic number.

67899000807 is the 164802-nd heptagonal number.

67899000807 is a deficient number, since it is larger than the sum of its proper divisors (48585914649).

67899000807 is a wasteful number, since it uses less digits than its factorization.

67899000807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 67899000807 in words is "sixty-seven billion, eight hundred ninety-nine million, eight hundred seven", and thus it is an aban number.