83147868947 has 8 divisors (see below), whose sum is σ = 97684209840. Its totient is φ = 69774435360.

The previous prime is 83147868901. The next prime is 83147868949. The reversal of 83147868947 is 74986874138.

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 83147868947 - 2¹⁴ = 83147852563 is a prime.

It is a super-2 number, since 2×83147868947² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83147868949) 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, 290726672 + ... + 290726957.

It is an arithmetic number, because the mean of its divisors is an integer number (12210526230).

Almost surely, 2^83147868947 is an apocalyptic number.

83147868947 is a deficient number, since it is larger than the sum of its proper divisors (14536340893).

83147868947 is a wasteful number, since it uses less digits than its factorization.

83147868947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581453653.

The product of its digits is 65028096, while the sum is 65.

The spelling of 83147868947 in words is "eighty-three billion, one hundred forty-seven million, eight hundred sixty-eight thousand, nine hundred forty-seven".