98897767 has 2 divisors, whose sum is σ = 98897768. Its totient is φ = 98897766.

The previous prime is 98897761. The next prime is 98897791. The reversal of 98897767 is 76779889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98897767 - 2³ = 98897759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98897761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49448883 + 49448884.

It is an arithmetic number, because the mean of its divisors is an integer number (49448884).

Almost surely, 2^98897767 is an apocalyptic number.

98897767 is a deficient number, since it is larger than the sum of its proper divisors (1).

98897767 is an equidigital number, since it uses as much as digits as its factorization.

98897767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 61.

The square root of 98897767 is about 9944.7356425397. The cubic root of 98897767 is about 462.4472081940.

The spelling of 98897767 in words is "ninety-eight million, eight hundred ninety-seven thousand, seven hundred sixty-seven".