3955157597 has 4 divisors (see below), whose sum is σ = 3999597660. Its totient is φ = 3910717536.

The previous prime is 3955157573. The next prime is 3955157611. The reversal of 3955157597 is 7957515593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2244011641 + 1711145956 = 47371^2 + 41366^2 .

It is a cyclic number.

It is not a de Polignac number, because 3955157597 - 2⁸ = 3955157341 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 (3955157527) 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, 22219898 + ... + 22220075.

It is an arithmetic number, because the mean of its divisors is an integer number (999899415).

Almost surely, 2^3955157597 is an apocalyptic number.

It is an amenable number.

3955157597 is a deficient number, since it is larger than the sum of its proper divisors (44440063).

3955157597 is an equidigital number, since it uses as much as digits as its factorization.

3955157597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44440062.

The product of its digits is 7441875, while the sum is 56.

The square root of 3955157597 is about 62890.0437032763. The cubic root of 3955157597 is about 1581.4468396512.

The spelling of 3955157597 in words is "three billion, nine hundred fifty-five million, one hundred fifty-seven thousand, five hundred ninety-seven".