89729051 has 2 divisors, whose sum is σ = 89729052. Its totient is φ = 89729050.

The previous prime is 89729027. The next prime is 89729083. The reversal of 89729051 is 15092798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89729051 - 2¹⁸ = 89466907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89729351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44864525 + 44864526.

It is an arithmetic number, because the mean of its divisors is an integer number (44864526).

Almost surely, 2^89729051 is an apocalyptic number.

89729051 is a deficient number, since it is larger than the sum of its proper divisors (1).

89729051 is an equidigital number, since it uses as much as digits as its factorization.

89729051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 89729051 is about 9472.5419502898. The cubic root of 89729051 is about 447.6903069977.

The spelling of 89729051 in words is "eighty-nine million, seven hundred twenty-nine thousand, fifty-one".