427652501378 has 8 divisors (see below), whose sum is σ = 648091935372. Its totient is φ = 211621856256.

The previous prime is 427652501371. The next prime is 427652501383. The reversal of 427652501378 is 873105256724.

It can be written as a sum of positive squares in 2 ways, for example, as 427646678809 + 5822569 = 653947^2 + 2413^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (427652501371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102196975 + ... + 1102197362.

Almost surely, 2^427652501378 is an apocalyptic number.

427652501378 is a deficient number, since it is larger than the sum of its proper divisors (220439433994).

427652501378 is a wasteful number, since it uses less digits than its factorization.

427652501378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204394436.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 427652501378 in words is "four hundred twenty-seven billion, six hundred fifty-two million, five hundred one thousand, three hundred seventy-eight".