84247361331 has 64 divisors (see below), whose sum is σ = 138756710400. Its totient is φ = 44390073600.

The previous prime is 84247361287. The next prime is 84247361333. The reversal of 84247361331 is 13316374248.

It is not a de Polignac number, because 84247361331 - 2¹¹ = 84247359283 is a prime.

It is a super-2 number, since 2×84247361331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84247361333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7175736 + ... + 7187466.

It is an arithmetic number, because the mean of its divisors is an integer number (2168073600).

Almost surely, 2^84247361331 is an apocalyptic number.

84247361331 is a deficient number, since it is larger than the sum of its proper divisors (54509349069).

84247361331 is a wasteful number, since it uses less digits than its factorization.

84247361331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240.

The product of its digits is 290304, while the sum is 42.

The spelling of 84247361331 in words is "eighty-four billion, two hundred forty-seven million, three hundred sixty-one thousand, three hundred thirty-one".