89040379 has 2 divisors, whose sum is σ = 89040380. Its totient is φ = 89040378.

The previous prime is 89040323. The next prime is 89040409. The reversal of 89040379 is 97304098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89040379 - 2²³ = 80651771 is a prime.

It is not a weakly prime, because it can be changed into another prime (89040079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44520189 + 44520190.

It is an arithmetic number, because the mean of its divisors is an integer number (44520190).

Almost surely, 2^89040379 is an apocalyptic number.

89040379 is a deficient number, since it is larger than the sum of its proper divisors (1).

89040379 is an equidigital number, since it uses as much as digits as its factorization.

89040379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 89040379 is about 9436.1209720944. The cubic root of 89040379 is about 446.5420206763.

The spelling of 89040379 in words is "eighty-nine million, forty thousand, three hundred seventy-nine".