7613871428 has 12 divisors (see below), whose sum is σ = 13397891052. Its totient is φ = 3785902560.

The previous prime is 7613871427. The next prime is 7613871431. The reversal of 7613871428 is 8241783167.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 262180864 + 7351690564 = 16192^2 + 85742^2 .

It is a super-2 number, since 2×7613871428² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7613871427) 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, 5257475 + ... + 5258922.

It is an arithmetic number, because the mean of its divisors is an integer number (1116490921).

Almost surely, 2^7613871428 is an apocalyptic number.

It is an amenable number.

7613871428 is a deficient number, since it is larger than the sum of its proper divisors (5784019624).

7613871428 is a wasteful number, since it uses less digits than its factorization.

7613871428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516582 (or 10516580 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 7613871428 is about 87257.5006976478. The cubic root of 7613871428 is about 1967.2905823314.

The spelling of 7613871428 in words is "seven billion, six hundred thirteen million, eight hundred seventy-one thousand, four hundred twenty-eight".