239978007 has 6 divisors (see below), whose sum is σ = 346634912. Its totient is φ = 159985332.

The previous prime is 239978003. The next prime is 239978009. The reversal of 239978007 is 700879932.

It is not a de Polignac number, because 239978007 - 2² = 239978003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239978003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13332103 + ... + 13332120.

Almost surely, 2^239978007 is an apocalyptic number.

239978007 is a deficient number, since it is larger than the sum of its proper divisors (106656905).

239978007 is a wasteful number, since it uses less digits than its factorization.

239978007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26664229 (or 26664226 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 239978007 is about 15491.2235475446. The cubic root of 239978007 is about 621.4275180097.

The spelling of 239978007 in words is "two hundred thirty-nine million, nine hundred seventy-eight thousand, seven".