8013147861 has 8 divisors (see below), whose sum is σ = 10684707264. Its totient is φ = 5341843520.

The previous prime is 8013147851. The next prime is 8013147889. The reversal of 8013147861 is 1687413108.

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 8013147861 - 2⁷ = 8013147733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013147851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28696 + ... + 129806.

It is an arithmetic number, because the mean of its divisors is an integer number (1335588408).

Almost surely, 2^8013147861 is an apocalyptic number.

It is an amenable number.

8013147861 is a deficient number, since it is larger than the sum of its proper divisors (2671559403).

8013147861 is a wasteful number, since it uses less digits than its factorization.

8013147861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127531.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 8013147861 is about 89516.1877036774. The cubic root of 8013147861 is about 2001.0950554007.

The spelling of 8013147861 in words is "eight billion, thirteen million, one hundred forty-seven thousand, eight hundred sixty-one".