84279141 has 12 divisors (see below), whose sum is σ = 121817280. Its totient is φ = 56148840.

The previous prime is 84279137. The next prime is 84279163. The reversal of 84279141 is 14197248.

It is not a de Polignac number, because 84279141 - 2² = 84279137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84279096 and 84279105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84279101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21396 + ... + 25026.

It is an arithmetic number, because the mean of its divisors is an integer number (10151440).

Almost surely, 2^84279141 is an apocalyptic number.

It is an amenable number.

84279141 is a deficient number, since it is larger than the sum of its proper divisors (37538139).

84279141 is a wasteful number, since it uses less digits than its factorization.

84279141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216 (or 6213 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 84279141 is about 9180.3671495208. The cubic root of 84279141 is about 438.4364979875.

The spelling of 84279141 in words is "eighty-four million, two hundred seventy-nine thousand, one hundred forty-one".