84966131 has 2 divisors, whose sum is σ = 84966132. Its totient is φ = 84966130.

The previous prime is 84966103. The next prime is 84966137. The reversal of 84966131 is 13166948.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84966131 is a prime.

It is a super-2 number, since 2×84966131² = 14438486834218322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84966137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42483065 + 42483066.

It is an arithmetic number, because the mean of its divisors is an integer number (42483066).

Almost surely, 2^84966131 is an apocalyptic number.

84966131 is a deficient number, since it is larger than the sum of its proper divisors (1).

84966131 is an equidigital number, since it uses as much as digits as its factorization.

84966131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 84966131 is about 9217.7074698647. The cubic root of 84966131 is about 439.6245609384.

The spelling of 84966131 in words is "eighty-four million, nine hundred sixty-six thousand, one hundred thirty-one".