89078629 has 2 divisors, whose sum is σ = 89078630. Its totient is φ = 89078628.

The previous prime is 89078621. The next prime is 89078687. The reversal of 89078629 is 92687098.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88830625 + 248004 = 9425^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 89078629 - 2³ = 89078621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89078621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44539314 + 44539315.

It is an arithmetic number, because the mean of its divisors is an integer number (44539315).

Almost surely, 2^89078629 is an apocalyptic number.

It is an amenable number.

89078629 is a deficient number, since it is larger than the sum of its proper divisors (1).

89078629 is an equidigital number, since it uses as much as digits as its factorization.

89078629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 89078629 is about 9438.1475406989. The cubic root of 89078629 is about 446.6059534197.

The spelling of 89078629 in words is "eighty-nine million, seventy-eight thousand, six hundred twenty-nine".