873847690 has 8 divisors (see below), whose sum is σ = 1572925860. Its totient is φ = 349539072.

The previous prime is 873847679. The next prime is 873847693. The reversal of 873847690 is 96748378.

It is a happy number.

873847690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 872788849 + 1058841 = 29543^2 + 1029^2 .

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

It is a super-2 number, since 2×873847690² = 1527219570636672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (873847693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43692375 + ... + 43692394.

Almost surely, 2^873847690 is an apocalyptic number.

873847690 is a deficient number, since it is larger than the sum of its proper divisors (699078170).

873847690 is a wasteful number, since it uses less digits than its factorization.

873847690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87384776.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 873847690 is about 29560.9149046507. The cubic root of 873847690 is about 956.0455422303.

The spelling of 873847690 in words is "eight hundred seventy-three million, eight hundred forty-seven thousand, six hundred ninety".