7662421197 has 12 divisors (see below), whose sum is σ = 11135845344. Its totient is φ = 5076940680.

The previous prime is 7662421189. The next prime is 7662421229. The reversal of 7662421197 is 7911242667.

7662421197 is a `hidden beast` number, since 7 + 6 + 624 + 2 + 1 + 19 + 7 = 666.

It is not a de Polignac number, because 7662421197 - 2³ = 7662421189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7662421157) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 2610129 + ... + 2613062.

It is an arithmetic number, because the mean of its divisors is an integer number (927987112).

Almost surely, 2^7662421197 is an apocalyptic number.

It is an amenable number.

7662421197 is a deficient number, since it is larger than the sum of its proper divisors (3473424147).

7662421197 is a wasteful number, since it uses less digits than its factorization.

7662421197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223360 (or 5223357 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 7662421197 is about 87535.2568797282. The cubic root of 7662421197 is about 1971.4631950418.

The spelling of 7662421197 in words is "seven billion, six hundred sixty-two million, four hundred twenty-one thousand, one hundred ninety-seven".