1427246487 has 40 divisors (see below), whose sum is σ = 2181310560. Its totient is φ = 929672640.

The previous prime is 1427246477. The next prime is 1427246519. The reversal of 1427246487 is 7846427241.

1427246487 is a `hidden beast` number, since 1 + 42 + 72 + 464 + 87 = 666.

It is not a de Polignac number, because 1427246487 - 2²⁰ = 1426197911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427246437) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1334589 + ... + 1335657.

It is an arithmetic number, because the mean of its divisors is an integer number (54532764).

Almost surely, 2^1427246487 is an apocalyptic number.

1427246487 is a deficient number, since it is larger than the sum of its proper divisors (754064073).

1427246487 is a wasteful number, since it uses less digits than its factorization.

1427246487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1436 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 1427246487 is about 37778.9159055683. The cubic root of 1427246487 is about 1125.8995897978.

The spelling of 1427246487 in words is "one billion, four hundred twenty-seven million, two hundred forty-six thousand, four hundred eighty-seven".