69382987 has 2 divisors, whose sum is σ = 69382988. Its totient is φ = 69382986.

The previous prime is 69382981. The next prime is 69383011. The reversal of 69382987 is 78928396.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69382987 - 2³ = 69382979 is a prime.

It is not a weakly prime, because it can be changed into another prime (69382981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34691493 + 34691494.

It is an arithmetic number, because the mean of its divisors is an integer number (34691494).

Almost surely, 2^69382987 is an apocalyptic number.

69382987 is a deficient number, since it is larger than the sum of its proper divisors (1).

69382987 is an equidigital number, since it uses as much as digits as its factorization.

69382987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 69382987 is about 8329.6450704697. The cubic root of 69382987 is about 410.9140562616.

The spelling of 69382987 in words is "sixty-nine million, three hundred eighty-two thousand, nine hundred eighty-seven".