427370408517 has 16 divisors (see below), whose sum is σ = 613866790208. Its totient is φ = 262908581760.

The previous prime is 427370408453. The next prime is 427370408537. The reversal of 427370408517 is 715804073724.

It is not a de Polignac number, because 427370408517 - 2⁶ = 427370408453 is a prime.

It is a super-2 number, since 2×427370408517² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427370408537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728328 + ... + 1960065.

It is an arithmetic number, because the mean of its divisors is an integer number (38366674388).

Almost surely, 2^427370408517 is an apocalyptic number.

It is an amenable number.

427370408517 is a deficient number, since it is larger than the sum of its proper divisors (186496381691).

427370408517 is a wasteful number, since it uses less digits than its factorization.

427370408517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691380.

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 427370408517 in words is "four hundred twenty-seven billion, three hundred seventy million, four hundred eight thousand, five hundred seventeen".