3787745566 has 16 divisors (see below), whose sum is σ = 6202395648. Its totient is φ = 1720517400.

The previous prime is 3787745561. The next prime is 3787745567. The reversal of 3787745566 is 6655477873.

It is a self number, because there is not a number n which added to its sum of digits gives 3787745566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3787745561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26160 + ... + 90883.

It is an arithmetic number, because the mean of its divisors is an integer number (387649728).

Almost surely, 2^3787745566 is an apocalyptic number.

3787745566 is a deficient number, since it is larger than the sum of its proper divisors (2414650082).

3787745566 is a wasteful number, since it uses less digits than its factorization.

3787745566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118527.

The product of its digits is 29635200, while the sum is 58.

The square root of 3787745566 is about 61544.6631804903. The cubic root of 3787745566 is about 1558.8114942148.

The spelling of 3787745566 in words is "three billion, seven hundred eighty-seven million, seven hundred forty-five thousand, five hundred sixty-six".