427259211992 has 32 divisors (see below), whose sum is σ = 819960926400. Its totient is φ = 208605624864.

The previous prime is 427259211983. The next prime is 427259212021. The reversal of 427259211992 is 299112952724.

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, 1135643 + ... + 1464309.

It is an arithmetic number, because the mean of its divisors is an integer number (25623778950).

Almost surely, 2^427259211992 is an apocalyptic number.

It is an amenable number.

427259211992 is a deficient number, since it is larger than the sum of its proper divisors (392701714408).

427259211992 is a wasteful number, since it uses less digits than its factorization.

427259211992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332495 (or 332491 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 53.

The spelling of 427259211992 in words is "four hundred twenty-seven billion, two hundred fifty-nine million, two hundred eleven thousand, nine hundred ninety-two".