867748507 has 4 divisors (see below), whose sum is σ = 870710400. Its totient is φ = 864786616.

The previous prime is 867748463. The next prime is 867748523. The reversal of 867748507 is 705847768.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 867748507 - 2²³ = 859359899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867748597) 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 3 ways as a sum of consecutive naturals, for example, 1480507 + ... + 1481092.

It is an arithmetic number, because the mean of its divisors is an integer number (217677600).

Almost surely, 2^867748507 is an apocalyptic number.

867748507 is a deficient number, since it is larger than the sum of its proper divisors (2961893).

867748507 is a wasteful number, since it uses less digits than its factorization.

867748507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961892.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The square root of 867748507 is about 29457.5713017893. The cubic root of 867748507 is about 953.8160476835.

The spelling of 867748507 in words is "eight hundred sixty-seven million, seven hundred forty-eight thousand, five hundred seven".