3977197848 has 80 divisors (see below), whose sum is σ = 11996772480. Its totient is φ = 1223750592.

The previous prime is 3977197843. The next prime is 3977197867. The reversal of 3977197848 is 8487917793.

3977197848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3977197848² = 31636205444271662208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977197843) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227640 + ... + 244487.

It is an arithmetic number, because the mean of its divisors is an integer number (149959656).

Almost surely, 2^3977197848 is an apocalyptic number.

It is an amenable number.

3977197848 is an abundant number, since it is smaller than the sum of its proper divisors (8019574632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3977197848 is a wasteful number, since it uses less digits than its factorization.

3977197848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472158 (or 472145 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The square root of 3977197848 is about 63065.0287243255. The cubic root of 3977197848 is about 1584.3789554749.

The spelling of 3977197848 in words is "three billion, nine hundred seventy-seven million, one hundred ninety-seven thousand, eight hundred forty-eight".