1064933987 has 4 divisors (see below), whose sum is σ = 1146852000. Its totient is φ = 983015976.

The previous prime is 1064933957. The next prime is 1064933999. The reversal of 1064933987 is 7893394601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7893394601 = 107 ⋅73770043.

It is a cyclic number.

It is not a de Polignac number, because 1064933987 - 2⁶ = 1064933923 is a prime.

It is a super-2 number, since 2×1064933987² = 2268168793335432338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064933957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40958987 + ... + 40959012.

It is an arithmetic number, because the mean of its divisors is an integer number (286713000).

Almost surely, 2^1064933987 is an apocalyptic number.

1064933987 is a deficient number, since it is larger than the sum of its proper divisors (81918013).

1064933987 is an equidigital number, since it uses as much as digits as its factorization.

1064933987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81918012.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 1064933987 is about 32633.3263244800. The cubic root of 1064933987 is about 1021.1923730421.

The spelling of 1064933987 in words is "one billion, sixty-four million, nine hundred thirty-three thousand, nine hundred eighty-seven".