399258386702 has 16 divisors (see below), whose sum is σ = 685129475040. Its totient is φ = 170939105568.

The previous prime is 399258386629. The next prime is 399258386717. The reversal of 399258386702 is 207683852993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14288177 + ... + 14316092.

It is an arithmetic number, because the mean of its divisors is an integer number (42820592190).

Almost surely, 2^399258386702 is an apocalyptic number.

399258386702 is a deficient number, since it is larger than the sum of its proper divisors (285871088338).

399258386702 is a wasteful number, since it uses less digits than its factorization.

399258386702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28605275.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 399258386702 in words is "three hundred ninety-nine billion, two hundred fifty-eight million, three hundred eighty-six thousand, seven hundred two".