83951137 has 2 divisors, whose sum is σ = 83951138. Its totient is φ = 83951136.

The previous prime is 83951123. The next prime is 83951209. The reversal of 83951137 is 73115938.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79281216 + 4669921 = 8904^2 + 2161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83951137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83951096 and 83951105.

It is not a weakly prime, because it can be changed into another prime (83951107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41975568 + 41975569.

It is an arithmetic number, because the mean of its divisors is an integer number (41975569).

Almost surely, 2^83951137 is an apocalyptic number.

It is an amenable number.

83951137 is a deficient number, since it is larger than the sum of its proper divisors (1).

83951137 is an equidigital number, since it uses as much as digits as its factorization.

83951137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 83951137 is about 9162.4853069459. The cubic root of 83951137 is about 437.8669782939.

The spelling of 83951137 in words is "eighty-three million, nine hundred fifty-one thousand, one hundred thirty-seven".