382975987 has 2 divisors, whose sum is σ = 382975988. Its totient is φ = 382975986.

The previous prime is 382975973. The next prime is 382976057. The reversal of 382975987 is 789579283.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 382975987 - 2¹⁵ = 382943219 is a prime.

It is not a weakly prime, because it can be changed into another prime (382975907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191487993 + 191487994.

It is an arithmetic number, because the mean of its divisors is an integer number (191487994).

Almost surely, 2^382975987 is an apocalyptic number.

382975987 is a deficient number, since it is larger than the sum of its proper divisors (1).

382975987 is an equidigital number, since it uses as much as digits as its factorization.

382975987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 58.

The square root of 382975987 is about 19569.7722776735. The cubic root of 382975987 is about 726.2015664419.

The spelling of 382975987 in words is "three hundred eighty-two million, nine hundred seventy-five thousand, nine hundred eighty-seven".