83089477 has 2 divisors, whose sum is σ = 83089478. Its totient is φ = 83089476.

The previous prime is 83089463. The next prime is 83089481. The reversal of 83089477 is 77498038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80532676 + 2556801 = 8974^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 83089477 - 2²³ = 74700869 is a prime.

It is a super-2 number, since 2×83089477² = 13807722376267058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83089427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41544738 + 41544739.

It is an arithmetic number, because the mean of its divisors is an integer number (41544739).

Almost surely, 2^83089477 is an apocalyptic number.

It is an amenable number.

83089477 is a deficient number, since it is larger than the sum of its proper divisors (1).

83089477 is an equidigital number, since it uses as much as digits as its factorization.

83089477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 83089477 is about 9115.3429447279. The cubic root of 83089477 is about 436.3637598471.

The spelling of 83089477 in words is "eighty-three million, eighty-nine thousand, four hundred seventy-seven".