3885000388507 has 4 divisors (see below), whose sum is σ = 4440000444016. Its totient is φ = 3330000333000.

The previous prime is 3885000388457. The next prime is 3885000388547. The reversal of 3885000388507 is 7058830005883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3885000388507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885000388547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277500027744 + ... + 277500027757.

It is an arithmetic number, because the mean of its divisors is an integer number (1110000111004).

Almost surely, 2^{3885000388507} is an apocalyptic number.

3885000388507 is a deficient number, since it is larger than the sum of its proper divisors (555000055509).

3885000388507 is an equidigital number, since it uses as much as digits as its factorization.

3885000388507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555000055508.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 3885000388507 in words is "three trillion, eight hundred eighty-five billion, three hundred eighty-eight thousand, five hundred seven".