7628475831 has 8 divisors (see below), whose sum is σ = 10172498160. Its totient is φ = 5085052032.

The previous prime is 7628475821. The next prime is 7628475847. The reversal of 7628475831 is 1385748267.

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

It is not a de Polignac number, because 7628475831 - 2¹⁰ = 7628474807 is a prime.

It is a super-2 number, since 2×7628475831² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628475821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118996 + ... + 171513.

It is an arithmetic number, because the mean of its divisors is an integer number (1271562270).

Almost surely, 2^7628475831 is an apocalyptic number.

7628475831 is a deficient number, since it is larger than the sum of its proper divisors (2544022329).

7628475831 is a wasteful number, since it uses less digits than its factorization.

7628475831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299265.

The product of its digits is 2257920, while the sum is 51.

The square root of 7628475831 is about 87341.1462656634. The cubic root of 7628475831 is about 1968.5476193196.

The spelling of 7628475831 in words is "seven billion, six hundred twenty-eight million, four hundred seventy-five thousand, eight hundred thirty-one".