3977337402 has 24 divisors (see below), whose sum is σ = 8735616084. Its totient is φ = 1307617344.

The previous prime is 3977337401. The next prime is 3977337421. The reversal of 3977337402 is 2047337793.

3977337402 is digitally balanced in base 2, 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 2 ways, for example, as 3903875361 + 73462041 = 62481^2 + 8571^2 .

It is not an unprimeable number, because it can be changed into a prime (3977337401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1512133 + ... + 1514760.

Almost surely, 2^3977337402 is an apocalyptic number.

3977337402 is an abundant number, since it is smaller than the sum of its proper divisors (4758278682).

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

3977337402 is a wasteful number, since it uses less digits than its factorization.

3977337402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026974 (or 3026971 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The square root of 3977337402 is about 63066.1351439899. The cubic root of 3977337402 is about 1584.3974864309.

The spelling of 3977337402 in words is "three billion, nine hundred seventy-seven million, three hundred thirty-seven thousand, four hundred two".