7820973061 has 24 divisors (see below), whose sum is σ = 9084176640. Its totient is φ = 6714570720.

The previous prime is 7820973023. The next prime is 7820973067. The reversal of 7820973061 is 1603790287.

It is a happy number.

It is not a de Polignac number, because 7820973061 - 2²⁷ = 7686755333 is a prime.

It is a super-2 number, since 2×7820973061² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7820972999 and 7820973017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7820973067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202071 + ... + 237643.

It is an arithmetic number, because the mean of its divisors is an integer number (378507360).

Almost surely, 2^7820973061 is an apocalyptic number.

It is an amenable number.

7820973061 is a deficient number, since it is larger than the sum of its proper divisors (1263203579).

7820973061 is a wasteful number, since it uses less digits than its factorization.

7820973061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35697 (or 35686 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 7820973061 is about 88436.2655306068. The cubic root of 7820973061 is about 1984.9683969022.

The spelling of 7820973061 in words is "seven billion, eight hundred twenty million, nine hundred seventy-three thousand, sixty-one".