3952479157 has 24 divisors (see below), whose sum is σ = 4506570936. Its totient is φ = 3461040000.

The previous prime is 3952479149. The next prime is 3952479163. The reversal of 3952479157 is 7519742593.

3952479157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1803785841 + 2148693316 = 42471^2 + 46354^2 .

It is not a de Polignac number, because 3952479157 - 2³ = 3952479149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3952479197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447807 + ... + 456547.

It is an arithmetic number, because the mean of its divisors is an integer number (187773789).

Almost surely, 2^3952479157 is an apocalyptic number.

3952479157 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3952479157 is a deficient number, since it is larger than the sum of its proper divisors (554091779).

3952479157 is a wasteful number, since it uses less digits than its factorization.

3952479157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901 (or 8890 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 52.

The square root of 3952479157 is about 62868.7454702255. The cubic root of 3952479157 is about 1581.0897728007.

It can be divided in two parts, 395247 and 9157, that added together give a palindrome (404404).

The spelling of 3952479157 in words is "three billion, nine hundred fifty-two million, four hundred seventy-nine thousand, one hundred fifty-seven".