427667903902 has 8 divisors (see below), whose sum is σ = 653605664616. Its totient is φ = 209799349032.

The previous prime is 427667903899. The next prime is 427667903903. The reversal of 427667903902 is 209309766724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427667903903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017301328 + ... + 2017301539.

It is an arithmetic number, because the mean of its divisors is an integer number (81700708077).

Almost surely, 2^427667903902 is an apocalyptic number.

427667903902 is a deficient number, since it is larger than the sum of its proper divisors (225937760714).

427667903902 is a wasteful number, since it uses less digits than its factorization.

427667903902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034602922.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 427667903902 in words is "four hundred twenty-seven billion, six hundred sixty-seven million, nine hundred three thousand, nine hundred two".