89678401 has 2 divisors, whose sum is σ = 89678402. Its totient is φ = 89678400.

The previous prime is 89678377. The next prime is 89678453. The reversal of 89678401 is 10487698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88378801 + 1299600 = 9401^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 89678401 - 2¹⁹ = 89154113 is a prime.

It is not a weakly prime, because it can be changed into another prime (89678101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44839200 + 44839201.

It is an arithmetic number, because the mean of its divisors is an integer number (44839201).

Almost surely, 2^89678401 is an apocalyptic number.

It is an amenable number.

89678401 is a deficient number, since it is larger than the sum of its proper divisors (1).

89678401 is an equidigital number, since it uses as much as digits as its factorization.

89678401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 89678401 is about 9469.8680561030. The cubic root of 89678401 is about 447.6060541582.

It can be divided in two parts, 896 and 78401, that added together give a palindrome (79297).

The spelling of 89678401 in words is "eighty-nine million, six hundred seventy-eight thousand, four hundred one".