147789907 has 2 divisors, whose sum is σ = 147789908. Its totient is φ = 147789906.

The previous prime is 147789893. The next prime is 147789919. The reversal of 147789907 is 709987741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147789907 - 2⁷ = 147789779 is a prime.

It is a super-2 number, since 2×147789907² = 43683713222137298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147789977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73894953 + 73894954.

It is an arithmetic number, because the mean of its divisors is an integer number (73894954).

Almost surely, 2^147789907 is an apocalyptic number.

147789907 is a deficient number, since it is larger than the sum of its proper divisors (1).

147789907 is an equidigital number, since it uses as much as digits as its factorization.

147789907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 52.

The square root of 147789907 is about 12156.8872249437. The cubic root of 147789907 is about 528.7068354646.

The spelling of 147789907 in words is "one hundred forty-seven million, seven hundred eighty-nine thousand, nine hundred seven".