82928987 has 2 divisors, whose sum is σ = 82928988. Its totient is φ = 82928986.

The previous prime is 82928969. The next prime is 82929013. The reversal of 82928987 is 78982928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82928987 - 2²² = 78734683 is a prime.

It is not a weakly prime, because it can be changed into another prime (82928917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41464493 + 41464494.

It is an arithmetic number, because the mean of its divisors is an integer number (41464494).

Almost surely, 2^82928987 is an apocalyptic number.

82928987 is a deficient number, since it is larger than the sum of its proper divisors (1).

82928987 is an equidigital number, since it uses as much as digits as its factorization.

82928987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 53.

The square root of 82928987 is about 9106.5354004693. The cubic root of 82928987 is about 436.0826285475.

The spelling of 82928987 in words is "eighty-two million, nine hundred twenty-eight thousand, nine hundred eighty-seven".