427380215796 has 18 divisors (see below), whose sum is σ = 1080322212242. Its totient is φ = 142460071920.

The previous prime is 427380215777. The next prime is 427380215861. The reversal of 427380215796 is 697512083724.

It is a happy number.

427380215796 is a `hidden beast` number, since 4 + 27 + 380 + 2 + 157 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 416876835600 + 10503380196 = 645660^2 + 102486^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5935836295 + ... + 5935836366.

It is a 2-persistent number, because it is pandigital, and so is 2⋅427380215796 = 854760431592, but 3⋅427380215796 = 1282140647388 is not.

Almost surely, 2^427380215796 is an apocalyptic number.

It is an amenable number.

427380215796 is an abundant number, since it is smaller than the sum of its proper divisors (652941996446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427380215796 is a wasteful number, since it uses less digits than its factorization.

427380215796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871672671 (or 11871672666 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 427380215796 in words is "four hundred twenty-seven billion, three hundred eighty million, two hundred fifteen thousand, seven hundred ninety-six".