899196497 has 2 divisors, whose sum is σ = 899196498. Its totient is φ = 899196496.

The previous prime is 899196491. The next prime is 899196539. The reversal of 899196497 is 794691998.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 728136256 + 171060241 = 26984^2 + 13079^2 .

It is a cyclic number.

It is not a de Polignac number, because 899196497 - 2⁸ = 899196241 is a prime.

It is not a weakly prime, because it can be changed into another prime (899196491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449598248 + 449598249.

It is an arithmetic number, because the mean of its divisors is an integer number (449598249).

Almost surely, 2^899196497 is an apocalyptic number.

It is an amenable number.

899196497 is a deficient number, since it is larger than the sum of its proper divisors (1).

899196497 is an equidigital number, since it uses as much as digits as its factorization.

899196497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 62.

The square root of 899196497 is about 29986.6052930304. The cubic root of 899196497 is about 965.2019754957.

The spelling of 899196497 in words is "eight hundred ninety-nine million, one hundred ninety-six thousand, four hundred ninety-seven".