7857341234 has 8 divisors (see below), whose sum is σ = 11817610860. Its totient is φ = 3918137616.

The previous prime is 7857341227. The next prime is 7857341269. The reversal of 7857341234 is 4321437587.

It can be written as a sum of positive squares in 2 ways, for example, as 7455459025 + 401882209 = 86345^2 + 20047^2 .

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

It is a super-2 number, since 2×7857341234² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5265569 + ... + 5267060.

Almost surely, 2^7857341234 is an apocalyptic number.

7857341234 is a deficient number, since it is larger than the sum of its proper divisors (3960269626).

7857341234 is a wasteful number, since it uses less digits than its factorization.

7857341234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533004.

The product of its digits is 564480, while the sum is 44.

The square root of 7857341234 is about 88641.6450321179. The cubic root of 7857341234 is about 1988.0403959866.

The spelling of 7857341234 in words is "seven billion, eight hundred fifty-seven million, three hundred forty-one thousand, two hundred thirty-four".