808140747 has 8 divisors (see below), whose sum is σ = 1140904656. Its totient is φ = 507068672.

The previous prime is 808140731. The next prime is 808140757. The reversal of 808140747 is 747041808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 808140747 - 2⁴ = 808140731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (808140727) 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 7 ways as a sum of consecutive naturals, for example, 7922898 + ... + 7922999.

It is an arithmetic number, because the mean of its divisors is an integer number (142613082).

Almost surely, 2^808140747 is an apocalyptic number.

808140747 is a deficient number, since it is larger than the sum of its proper divisors (332763909).

808140747 is a wasteful number, since it uses less digits than its factorization.

808140747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15845917.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 808140747 is about 28427.8164303909. The cubic root of 808140747 is about 931.4559792887.

It can be divided in two parts, 8081 and 40747, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 808140747 in words is "eight hundred eight million, one hundred forty thousand, seven hundred forty-seven".