7738266505 has 16 divisors (see below), whose sum is σ = 9435620160. Its totient is φ = 6091031232.

The previous prime is 7738266493. The next prime is 7738266517. The reversal of 7738266505 is 5056628377.

It is an interprime number because it is at equal distance from previous prime (7738266493) and next prime (7738266517).

It is a cyclic number.

It is not a de Polignac number, because 7738266505 - 2⁹ = 7738265993 is a prime.

It is an unprimeable number.

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, 280626 + ... + 306964.

It is an arithmetic number, because the mean of its divisors is an integer number (589726260).

Almost surely, 2^7738266505 is an apocalyptic number.

It is an amenable number.

7738266505 is a deficient number, since it is larger than the sum of its proper divisors (1697353655).

7738266505 is a wasteful number, since it uses less digits than its factorization.

7738266505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27288.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The square root of 7738266505 is about 87967.4172918587. The cubic root of 7738266505 is about 1977.9465928444.

The spelling of 7738266505 in words is "seven billion, seven hundred thirty-eight million, two hundred sixty-six thousand, five hundred five".