13864078851 has 32 divisors (see below), whose sum is σ = 22323855360. Its totient is φ = 7481938464.

The previous prime is 13864078831. The next prime is 13864078903. The reversal of 13864078851 is 15887046831.

It is a happy number.

It is not a de Polignac number, because 13864078851 - 2²² = 13859884547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13864078794 and 13864078803.

It is not an unprimeable number, because it can be changed into a prime (13864078831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143515 + ... + 219828.

It is an arithmetic number, because the mean of its divisors is an integer number (697620480).

Almost surely, 2^13864078851 is an apocalyptic number.

13864078851 is a deficient number, since it is larger than the sum of its proper divisors (8459776509).

13864078851 is a wasteful number, since it uses less digits than its factorization.

13864078851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363455.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 13864078851 in words is "thirteen billion, eight hundred sixty-four million, seventy-eight thousand, eight hundred fifty-one".