89451407 has 2 divisors, whose sum is σ = 89451408. Its totient is φ = 89451406.

The previous prime is 89451403. The next prime is 89451413. The reversal of 89451407 is 70415498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89451407 - 2² = 89451403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89451403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44725703 + 44725704.

It is an arithmetic number, because the mean of its divisors is an integer number (44725704).

Almost surely, 2^89451407 is an apocalyptic number.

89451407 is a deficient number, since it is larger than the sum of its proper divisors (1).

89451407 is an equidigital number, since it uses as much as digits as its factorization.

89451407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 89451407 is about 9457.8753956689. The cubic root of 89451407 is about 447.2280748645.

The spelling of 89451407 in words is "eighty-nine million, four hundred fifty-one thousand, four hundred seven".