84970131 has 8 divisors (see below), whose sum is σ = 119957904. Its totient is φ = 53314560.

The previous prime is 84970129. The next prime is 84970139. The reversal of 84970131 is 13107948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84970131 - 2¹ = 84970129 is a prime.

It is a super-2 number, since 2×84970131² = 14439846324314322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84970092 and 84970101.

It is not an unprimeable number, because it can be changed into a prime (84970139) 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, 832990 + ... + 833091.

It is an arithmetic number, because the mean of its divisors is an integer number (14994738).

Almost surely, 2^84970131 is an apocalyptic number.

84970131 is a deficient number, since it is larger than the sum of its proper divisors (34987773).

84970131 is a wasteful number, since it uses less digits than its factorization.

84970131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666101.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 84970131 is about 9217.9244410008. The cubic root of 84970131 is about 439.6314596505.

The spelling of 84970131 in words is "eighty-four million, nine hundred seventy thousand, one hundred thirty-one".