3977702545 has 16 divisors (see below), whose sum is σ = 4827974400. Its totient is φ = 3145881024.

The previous prime is 3977702539. The next prime is 3977702563. The reversal of 3977702545 is 5452077793.

It is a cyclic number.

It is not a de Polignac number, because 3977702545 - 2²⁹ = 3440831633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143484 + ... + 168946.

It is an arithmetic number, because the mean of its divisors is an integer number (301748400).

Almost surely, 2^3977702545 is an apocalyptic number.

It is an amenable number.

3977702545 is a deficient number, since it is larger than the sum of its proper divisors (850271855).

3977702545 is a wasteful number, since it uses less digits than its factorization.

3977702545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25824.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The square root of 3977702545 is about 63069.0299988830. The cubic root of 3977702545 is about 1584.4459706210.

The spelling of 3977702545 in words is "three billion, nine hundred seventy-seven million, seven hundred two thousand, five hundred forty-five".