1427540723287 has 16 divisors (see below), whose sum is σ = 1702665976320. Its totient is φ = 1170229259232.

The previous prime is 1427540723269. The next prime is 1427540723299. The reversal of 1427540723287 is 7823270457241.

It is a cyclic number.

It is not a de Polignac number, because 1427540723287 - 2¹⁵ = 1427540690519 is a prime.

It is a super-2 number, since 2×1427540723287² (a number of 25 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 (1427540723237) 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, 404764 + ... + 1737502.

It is an arithmetic number, because the mean of its divisors is an integer number (106416623520).

Almost surely, 2^{1427540723287} is an apocalyptic number.

1427540723287 is a deficient number, since it is larger than the sum of its proper divisors (275125253033).

1427540723287 is a wasteful number, since it uses less digits than its factorization.

1427540723287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339422.

The product of its (nonzero) digits is 5268480, while the sum is 52.

The spelling of 1427540723287 in words is "one trillion, four hundred twenty-seven billion, five hundred forty million, seven hundred twenty-three thousand, two hundred eighty-seven".