427727432725 has 24 divisors (see below), whose sum is σ = 545563831680. Its totient is φ = 332491989120.

The previous prime is 427727432659. The next prime is 427727432731. The reversal of 427727432725 is 527234727724.

It is a de Polignac number, because none of the positive numbers 2^k-427727432725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1146112 + ... + 1472761.

It is an arithmetic number, because the mean of its divisors is an integer number (22731826320).

Almost surely, 2^427727432725 is an apocalyptic number.

It is an amenable number.

427727432725 is a deficient number, since it is larger than the sum of its proper divisors (117836398955).

427727432725 is a wasteful number, since it uses less digits than its factorization.

427727432725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619069 (or 2619064 counting only the distinct ones).

The product of its digits is 9219840, while the sum is 52.

The spelling of 427727432725 in words is "four hundred twenty-seven billion, seven hundred twenty-seven million, four hundred thirty-two thousand, seven hundred twenty-five".