98879567 has 2 divisors, whose sum is σ = 98879568. Its totient is φ = 98879566.

The previous prime is 98879551. The next prime is 98879603. The reversal of 98879567 is 76597889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98879567 - 2⁴ = 98879551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98879537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49439783 + 49439784.

It is an arithmetic number, because the mean of its divisors is an integer number (49439784).

Almost surely, 2^98879567 is an apocalyptic number.

98879567 is a deficient number, since it is larger than the sum of its proper divisors (1).

98879567 is an equidigital number, since it uses as much as digits as its factorization.

98879567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 59.

The square root of 98879567 is about 9943.8205434330. The cubic root of 98879567 is about 462.4188386436.

The spelling of 98879567 in words is "ninety-eight million, eight hundred seventy-nine thousand, five hundred sixty-seven".