3977657082 has 48 divisors (see below), whose sum is σ = 9920339520. Its totient is φ = 1128292416.

The previous prime is 3977657051. The next prime is 3977657083. The reversal of 3977657082 is 2807567793.

It is not an unprimeable number, because it can be changed into a prime (3977657083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96043 + ... + 131070.

It is an arithmetic number, because the mean of its divisors is an integer number (206673740).

Almost surely, 2^3977657082 is an apocalyptic number.

3977657082 is an abundant number, since it is smaller than the sum of its proper divisors (5942682438).

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

3977657082 is a wasteful number, since it uses less digits than its factorization.

3977657082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227267 (or 227264 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The square root of 3977657082 is about 63068.6695753129. The cubic root of 3977657082 is about 1584.4399341430.

The spelling of 3977657082 in words is "three billion, nine hundred seventy-seven million, six hundred fifty-seven thousand, eighty-two".