83444497 has 2 divisors, whose sum is σ = 83444498. Its totient is φ = 83444496.

The previous prime is 83444489. The next prime is 83444503. The reversal of 83444497 is 79444438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 707281 = 9096^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 83444497 - 2³ = 83444489 is a prime.

It is equal to p_4858549 and since 83444497 and 4858549 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (83444407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41722248 + 41722249.

It is an arithmetic number, because the mean of its divisors is an integer number (41722249).

Almost surely, 2^83444497 is an apocalyptic number.

It is an amenable number.

83444497 is a deficient number, since it is larger than the sum of its proper divisors (1).

83444497 is an equidigital number, since it uses as much as digits as its factorization.

83444497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 83444497 is about 9134.7959473652. The cubic root of 83444497 is about 436.9843668861.

The spelling of 83444497 in words is "eighty-three million, four hundred forty-four thousand, four hundred ninety-seven".