7671133987 has 16 divisors (see below), whose sum is σ = 8528861952. Its totient is φ = 6841401120.

The previous prime is 7671133931. The next prime is 7671133997. The reversal of 7671133987 is 7893311767.

It is a cyclic number.

It is not a de Polignac number, because 7671133987 - 2⁷ = 7671133859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7671133927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89593 + ... + 152869.

It is an arithmetic number, because the mean of its divisors is an integer number (533053872).

Almost surely, 2^7671133987 is an apocalyptic number.

7671133987 is a deficient number, since it is larger than the sum of its proper divisors (857727965).

7671133987 is a wasteful number, since it uses less digits than its factorization.

7671133987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63498.

The product of its digits is 1333584, while the sum is 52.

The square root of 7671133987 is about 87585.0100587994. The cubic root of 7671133987 is about 1972.2101494729.

The spelling of 7671133987 in words is "seven billion, six hundred seventy-one million, one hundred thirty-three thousand, nine hundred eighty-seven".