7829888445 has 24 divisors (see below), whose sum is σ = 13579685496. Its totient is φ = 4173516288.

The previous prime is 7829888431. The next prime is 7829888461. The reversal of 7829888445 is 5448889287.

It can be written as a sum of positive squares in 4 ways, for example, as 155077209 + 7674811236 = 12453^2 + 87606^2 .

It is not a de Polignac number, because 7829888445 - 2⁷ = 7829888317 is a prime.

It is a super-2 number, since 2×7829888445² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29257 + ... + 128513.

It is an arithmetic number, because the mean of its divisors is an integer number (565820229).

Almost surely, 2^7829888445 is an apocalyptic number.

It is an amenable number.

7829888445 is a deficient number, since it is larger than the sum of its proper divisors (5749797051).

7829888445 is a wasteful number, since it uses less digits than its factorization.

7829888445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101021 (or 101018 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 63.

The square root of 7829888445 is about 88486.6568754860. The cubic root of 7829888445 is about 1985.7223540391.

The spelling of 7829888445 in words is "seven billion, eight hundred twenty-nine million, eight hundred eighty-eight thousand, four hundred forty-five".