8130268628 has 6 divisors (see below), whose sum is σ = 14227970106. Its totient is φ = 4065134312.

The previous prime is 8130268607. The next prime is 8130268703. The reversal of 8130268628 is 8268620318.

It can be written as a sum of positive squares in only one way, i.e., 6776911684 + 1353356944 = 82322^2 + 36788^2 .

It is a super-2 number, since 2×8130268628² (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 as a sum of consecutive naturals, namely, 1016283575 + ... + 1016283582.

It is an arithmetic number, because the mean of its divisors is an integer number (2371328351).

Almost surely, 2^8130268628 is an apocalyptic number.

It is an amenable number.

8130268628 is a deficient number, since it is larger than the sum of its proper divisors (6097701478).

8130268628 is a wasteful number, since it uses less digits than its factorization.

8130268628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032567161 (or 2032567159 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 8130268628 is about 90168.0022402626. The cubic root of 8130268628 is about 2010.7973230100.

The spelling of 8130268628 in words is "eight billion, one hundred thirty million, two hundred sixty-eight thousand, six hundred twenty-eight".