7811884014157 has 8 divisors (see below), whose sum is σ = 8081635860000. Its totient is φ = 7542157270704.

The previous prime is 7811884014113. The next prime is 7811884014191. The reversal of 7811884014157 is 7514104881187.

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 7811884014157 - 2³⁹ = 7262128200269 is a prime.

It is a super-2 number, since 2×7811884014157² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7811884014098 and 7811884014107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7811884014457) 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, 5641363 + ... + 6888304.

It is an arithmetic number, because the mean of its divisors is an integer number (1010204482500).

Almost surely, 2^{7811884014157} is an apocalyptic number.

It is an amenable number.

7811884014157 is a deficient number, since it is larger than the sum of its proper divisors (269751845843).

7811884014157 is a wasteful number, since it uses less digits than its factorization.

7811884014157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551195.

The product of its (nonzero) digits is 2007040, while the sum is 55.

The spelling of 7811884014157 in words is "seven trillion, eight hundred eleven billion, eight hundred eighty-four million, fourteen thousand, one hundred fifty-seven".