7950546557 has 2 divisors, whose sum is σ = 7950546558. Its totient is φ = 7950546556.

The previous prime is 7950546497. The next prime is 7950546613. The reversal of 7950546557 is 7556450597.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6863459716 + 1087086841 = 82846^2 + 32971^2 .

It is a cyclic number.

It is not a de Polignac number, because 7950546557 - 2⁶ = 7950546493 is a prime.

It is a super-2 number, since 2×7950546557² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7950546499 and 7950546508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7950546157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3975273278 + 3975273279.

It is an arithmetic number, because the mean of its divisors is an integer number (3975273279).

Almost surely, 2^7950546557 is an apocalyptic number.

It is an amenable number.

7950546557 is a deficient number, since it is larger than the sum of its proper divisors (1).

7950546557 is an equidigital number, since it uses as much as digits as its factorization.

7950546557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615000, while the sum is 53.

The square root of 7950546557 is about 89165.8373874210. The cubic root of 7950546557 is about 1995.8703586500.

The spelling of 7950546557 in words is "seven billion, nine hundred fifty million, five hundred forty-six thousand, five hundred fifty-seven".