427734658550 has 72 divisors (see below), whose sum is σ = 843370313256. Its totient is φ = 161373329280.

The previous prime is 427734658537. The next prime is 427734658553. The reversal of 427734658550 is 55856437724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427734658553) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4045154 + ... + 4149546.

It is an arithmetic number, because the mean of its divisors is an integer number (11713476573).

Almost surely, 2^427734658550 is an apocalyptic number.

427734658550 is a deficient number, since it is larger than the sum of its proper divisors (415635654706).

427734658550 is a wasteful number, since it uses less digits than its factorization.

427734658550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104670 (or 104646 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 56.

The spelling of 427734658550 in words is "four hundred twenty-seven billion, seven hundred thirty-four million, six hundred fifty-eight thousand, five hundred fifty".