427323078381 has 8 divisors (see below), whose sum is σ = 569768459040. Its totient is φ = 284879874992.

The previous prime is 427323078341. The next prime is 427323078409. The reversal of 427323078381 is 183870323724.

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

It is a cyclic number.

It is not a de Polignac number, because 427323078381 - 2⁹ = 427323077869 is a prime.

It is a super-2 number, since 2×427323078381² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427323078381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427323078341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11991 + ... + 924548.

It is an arithmetic number, because the mean of its divisors is an integer number (71221057380).

Almost surely, 2^427323078381 is an apocalyptic number.

It is an amenable number.

427323078381 is a deficient number, since it is larger than the sum of its proper divisors (142445380659).

427323078381 is a wasteful number, since it uses less digits than its factorization.

427323078381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088635.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 427323078381 in words is "four hundred twenty-seven billion, three hundred twenty-three million, seventy-eight thousand, three hundred eighty-one".