89476999 has 2 divisors, whose sum is σ = 89477000. Its totient is φ = 89476998.

The previous prime is 89476991. The next prime is 89477009. The reversal of 89476999 is 99967498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89476999 - 2³ = 89476991 is a prime.

It is a super-2 number, since 2×89476999² = 16012266700092002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89476991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44738499 + 44738500.

It is an arithmetic number, because the mean of its divisors is an integer number (44738500).

Almost surely, 2^89476999 is an apocalyptic number.

89476999 is a deficient number, since it is larger than the sum of its proper divisors (1).

89476999 is an equidigital number, since it uses as much as digits as its factorization.

89476999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 61.

The square root of 89476999 is about 9459.2282454754. The cubic root of 89476999 is about 447.2707213692.

The spelling of 89476999 in words is "eighty-nine million, four hundred seventy-six thousand, nine hundred ninety-nine".