534688387 has 2 divisors, whose sum is σ = 534688388. Its totient is φ = 534688386.

The previous prime is 534688379. The next prime is 534688393. The reversal of 534688387 is 783886435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 534688387 - 2³ = 534688379 is a prime.

It is not a weakly prime, because it can be changed into another prime (534688307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267344193 + 267344194.

It is an arithmetic number, because the mean of its divisors is an integer number (267344194).

Almost surely, 2^534688387 is an apocalyptic number.

534688387 is a deficient number, since it is larger than the sum of its proper divisors (1).

534688387 is an equidigital number, since it uses as much as digits as its factorization.

534688387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 52.

The square root of 534688387 is about 23123.3299288835. The cubic root of 534688387 is about 811.6464944078.

The spelling of 534688387 in words is "five hundred thirty-four million, six hundred eighty-eight thousand, three hundred eighty-seven".