899677651 has 2 divisors, whose sum is σ = 899677652. Its totient is φ = 899677650.

The previous prime is 899677631. The next prime is 899677661. The reversal of 899677651 is 156776998.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 899677651 - 2⁷ = 899677523 is a prime.

It is not a weakly prime, because it can be changed into another prime (899677601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449838825 + 449838826.

It is an arithmetic number, because the mean of its divisors is an integer number (449838826).

Almost surely, 2^899677651 is an apocalyptic number.

899677651 is a deficient number, since it is larger than the sum of its proper divisors (1).

899677651 is an equidigital number, since it uses as much as digits as its factorization.

899677651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 58.

The square root of 899677651 is about 29994.6270355209. The cubic root of 899677651 is about 965.3741024939.

The spelling of 899677651 in words is "eight hundred ninety-nine million, six hundred seventy-seven thousand, six hundred fifty-one".