7829438956 has 24 divisors (see below), whose sum is σ = 13792052736. Its totient is φ = 3888882000.

The previous prime is 7829438941. The next prime is 7829438971. The reversal of 7829438956 is 6598349287.

It is an interprime number because it is at equal distance from previous prime (7829438941) and next prime (7829438971).

It is a super-2 number, since 2×7829438956² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7829438894 and 7829438903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645581 + ... + 1650331.

It is an arithmetic number, because the mean of its divisors is an integer number (574668864).

Almost surely, 2^7829438956 is an apocalyptic number.

It is an amenable number.

7829438956 is a deficient number, since it is larger than the sum of its proper divisors (5962613780).

7829438956 is a wasteful number, since it uses less digits than its factorization.

7829438956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389 (or 7387 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The square root of 7829438956 is about 88484.1169702224. The cubic root of 7829438956 is about 1985.6843553098.

The spelling of 7829438956 in words is "seven billion, eight hundred twenty-nine million, four hundred thirty-eight thousand, nine hundred fifty-six".