7952553808 has 20 divisors (see below), whose sum is σ = 15419052180. Its totient is φ = 3973443584.

The previous prime is 7952553803. The next prime is 7952553809. The reversal of 7952553808 is 8083552597.

It can be written as a sum of positive squares in 2 ways, for example, as 653927184 + 7298626624 = 25572^2 + 85432^2 .

It is a super-2 number, since 2×7952553808² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7952553803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153835 + ... + 198922.

It is an arithmetic number, because the mean of its divisors is an integer number (770952609).

Almost surely, 2^7952553808 is an apocalyptic number.

It is an amenable number.

7952553808 is a deficient number, since it is larger than the sum of its proper divisors (7466498372).

7952553808 is a wasteful number, since it uses less digits than its factorization.

7952553808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354174 (or 354168 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 52.

The square root of 7952553808 is about 89177.0923948522. The cubic root of 7952553808 is about 1996.0383083479.

The spelling of 7952553808 in words is "seven billion, nine hundred fifty-two million, five hundred fifty-three thousand, eight hundred eight".