7406807957 has 2 divisors, whose sum is σ = 7406807958. Its totient is φ = 7406807956.

The previous prime is 7406807953. The next prime is 7406808041. The reversal of 7406807957 is 7597086047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5630101156 + 1776706801 = 75034^2 + 42151^2 .

It is a cyclic number.

It is not a de Polignac number, because 7406807957 - 2² = 7406807953 is a prime.

It is a super-2 number, since 2×7406807957² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7406807899 and 7406807908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7406807951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3703403978 + 3703403979.

It is an arithmetic number, because the mean of its divisors is an integer number (3703403979).

Almost surely, 2^7406807957 is an apocalyptic number.

It is an amenable number.

7406807957 is a deficient number, since it is larger than the sum of its proper divisors (1).

7406807957 is an equidigital number, since it uses as much as digits as its factorization.

7406807957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The square root of 7406807957 is about 86062.8140197612. The cubic root of 7406807957 is about 1949.2925732813.

The spelling of 7406807957 in words is "seven billion, four hundred six million, eight hundred seven thousand, nine hundred fifty-seven".