7661263228 has 6 divisors (see below), whose sum is σ = 13407210656. Its totient is φ = 3830631612.

The previous prime is 7661263193. The next prime is 7661263241. The reversal of 7661263228 is 8223621667.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957657900 + ... + 957657907.

Almost surely, 2^7661263228 is an apocalyptic number.

It is an amenable number.

7661263228 is a deficient number, since it is larger than the sum of its proper divisors (5745947428).

7661263228 is a wasteful number, since it uses less digits than its factorization.

7661263228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915315811 (or 1915315809 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 7661263228 is about 87528.6423292399. The cubic root of 7661263228 is about 1971.3638788155.

The spelling of 7661263228 in words is "seven billion, six hundred sixty-one million, two hundred sixty-three thousand, two hundred twenty-eight".