7687438466 has 16 divisors (see below), whose sum is σ = 11907571200. Its totient is φ = 3718340640.

The previous prime is 7687438463. The next prime is 7687438469. The reversal of 7687438466 is 6648347867.

It is an interprime number because it is at equal distance from previous prime (7687438463) and next prime (7687438469).

It is not an unprimeable number, because it can be changed into a prime (7687438463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155435 + ... + 198833.

It is an arithmetic number, because the mean of its divisors is an integer number (744223200).

Almost surely, 2^7687438466 is an apocalyptic number.

7687438466 is a deficient number, since it is larger than the sum of its proper divisors (4220132734).

7687438466 is a wasteful number, since it uses less digits than its factorization.

7687438466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46289.

The product of its digits is 32514048, while the sum is 59.

The square root of 7687438466 is about 87678.0386755999. The cubic root of 7687438466 is about 1973.6064273539.

The spelling of 7687438466 in words is "seven billion, six hundred eighty-seven million, four hundred thirty-eight thousand, four hundred sixty-six".