89467879 has 2 divisors, whose sum is σ = 89467880. Its totient is φ = 89467878.

The previous prime is 89467841. The next prime is 89467901. The reversal of 89467879 is 97876498.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89467879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89417879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44733939 + 44733940.

It is an arithmetic number, because the mean of its divisors is an integer number (44733940).

Almost surely, 2^89467879 is an apocalyptic number.

89467879 is a deficient number, since it is larger than the sum of its proper divisors (1).

89467879 is an equidigital number, since it uses as much as digits as its factorization.

89467879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 58.

The square root of 89467879 is about 9458.7461642651. The cubic root of 89467879 is about 447.2555247354.

The spelling of 89467879 in words is "eighty-nine million, four hundred sixty-seven thousand, eight hundred seventy-nine".