13278887807 has 8 divisors (see below), whose sum is σ = 13741860000. Its totient is φ = 12816254304.

The previous prime is 13278887803. The next prime is 13278887861. The reversal of 13278887807 is 70878887231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13278887807 - 2² = 13278887803 is a prime.

It is a super-2 number, since 2×13278887807² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13278887803) 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, 3563 + ... + 163004.

It is an arithmetic number, because the mean of its divisors is an integer number (1717732500).

Almost surely, 2^13278887807 is an apocalyptic number.

13278887807 is a deficient number, since it is larger than the sum of its proper divisors (462972193).

13278887807 is a wasteful number, since it uses less digits than its factorization.

13278887807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169345.

The product of its (nonzero) digits is 8429568, while the sum is 59.

The spelling of 13278887807 in words is "thirteen billion, two hundred seventy-eight million, eight hundred eighty-seven thousand, eight hundred seven".