427725617361 has 32 divisors (see below), whose sum is σ = 690321512448. Its totient is φ = 229967443200.

The previous prime is 427725617339. The next prime is 427725617401. The reversal of 427725617361 is 163716527724.

It is not a de Polignac number, because 427725617361 - 2⁷ = 427725617233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (427725617311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006036 + ... + 1366586.

It is an arithmetic number, because the mean of its divisors is an integer number (21572547264).

Almost surely, 2^427725617361 is an apocalyptic number.

It is an amenable number.

427725617361 is a deficient number, since it is larger than the sum of its proper divisors (262595895087).

427725617361 is a wasteful number, since it uses less digits than its factorization.

427725617361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363901.

The product of its digits is 2963520, while the sum is 51.

The spelling of 427725617361 in words is "four hundred twenty-seven billion, seven hundred twenty-five million, six hundred seventeen thousand, three hundred sixty-one".