867048487 has 2 divisors, whose sum is σ = 867048488. Its totient is φ = 867048486.

The previous prime is 867048419. The next prime is 867048529. The reversal of 867048487 is 784840768.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867048487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867058487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433524243 + 433524244.

It is an arithmetic number, because the mean of its divisors is an integer number (433524244).

Almost surely, 2^867048487 is an apocalyptic number.

867048487 is a deficient number, since it is larger than the sum of its proper divisors (1).

867048487 is an equidigital number, since it uses as much as digits as its factorization.

867048487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2408448, while the sum is 52.

The square root of 867048487 is about 29445.6870695863. The cubic root of 867048487 is about 953.5594948810.

The spelling of 867048487 in words is "eight hundred sixty-seven million, forty-eight thousand, four hundred eighty-seven".