7620285947 has 2 divisors, whose sum is σ = 7620285948. Its totient is φ = 7620285946.

The previous prime is 7620285943. The next prime is 7620285983. The reversal of 7620285947 is 7495820267.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7620285947 - 2² = 7620285943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7620285895 and 7620285904.

It is not a weakly prime, because it can be changed into another prime (7620285943) 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 as a sum of consecutive naturals, namely, 3810142973 + 3810142974.

It is an arithmetic number, because the mean of its divisors is an integer number (3810142974).

Almost surely, 2^7620285947 is an apocalyptic number.

7620285947 is a deficient number, since it is larger than the sum of its proper divisors (1).

7620285947 is an equidigital number, since it uses as much as digits as its factorization.

7620285947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 7620285947 is about 87294.2492206675. The cubic root of 7620285947 is about 1967.8428935873.

The spelling of 7620285947 in words is "seven billion, six hundred twenty million, two hundred eighty-five thousand, nine hundred forty-seven".