84372961 has 2 divisors, whose sum is σ = 84372962. Its totient is φ = 84372960.

The previous prime is 84372941. The next prime is 84372971. The reversal of 84372961 is 16927348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53012961 + 31360000 = 7281^2 + 5600^2 .

It is a cyclic number.

It is not a de Polignac number, because 84372961 - 2⁷ = 84372833 is a prime.

It is not a weakly prime, because it can be changed into another prime (84372941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42186480 + 42186481.

It is an arithmetic number, because the mean of its divisors is an integer number (42186481).

Almost surely, 2^84372961 is an apocalyptic number.

It is an amenable number.

84372961 is a deficient number, since it is larger than the sum of its proper divisors (1).

84372961 is an equidigital number, since it uses as much as digits as its factorization.

84372961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 84372961 is about 9185.4755456645. The cubic root of 84372961 is about 438.5991276237.

The spelling of 84372961 in words is "eighty-four million, three hundred seventy-two thousand, nine hundred sixty-one".