89629471 has 2 divisors, whose sum is σ = 89629472. Its totient is φ = 89629470.

The previous prime is 89629447. The next prime is 89629481. The reversal of 89629471 is 17492698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89629471 - 2⁵ = 89629439 is a prime.

It is a super-3 number, since 3×89629471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89629411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44814735 + 44814736.

It is an arithmetic number, because the mean of its divisors is an integer number (44814736).

Almost surely, 2^89629471 is an apocalyptic number.

89629471 is a deficient number, since it is larger than the sum of its proper divisors (1).

89629471 is an equidigital number, since it uses as much as digits as its factorization.

89629471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 89629471 is about 9467.2842462873. The cubic root of 89629471 is about 447.5246322906.

It can be divided in two parts, 89629 and 471, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 89629471 in words is "eighty-nine million, six hundred twenty-nine thousand, four hundred seventy-one".