147699899 has 2 divisors, whose sum is σ = 147699900. Its totient is φ = 147699898.

The previous prime is 147699889. The next prime is 147699913. The reversal of 147699899 is 998996741.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147699899 is a prime.

It is a super-2 number, since 2×147699899² = 43630520329220402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147699829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73849949 + 73849950.

It is an arithmetic number, because the mean of its divisors is an integer number (73849950).

Almost surely, 2^147699899 is an apocalyptic number.

147699899 is a deficient number, since it is larger than the sum of its proper divisors (1).

147699899 is an equidigital number, since it uses as much as digits as its factorization.

147699899 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 147699899 is about 12153.1847266468. The cubic root of 147699899 is about 528.5994814740.

The spelling of 147699899 in words is "one hundred forty-seven million, six hundred ninety-nine thousand, eight hundred ninety-nine".