3895728537599 has 8 divisors (see below), whose sum is σ = 3924438879648. Its totient is φ = 3867022172160.

The previous prime is 3895728537563. The next prime is 3895728537607. The reversal of 3895728537599 is 9957358275983.

It is a happy number.

It is a Cunningham number, because it is equal to 1973760²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3895728537599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895728531599) 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, 986879 + ... + 2960639.

It is an arithmetic number, because the mean of its divisors is an integer number (490554859956).

Almost surely, 2^{3895728537599} is an apocalyptic number.

3895728537599 is a deficient number, since it is larger than the sum of its proper divisors (28710342049).

3895728537599 is a wasteful number, since it uses less digits than its factorization.

3895728537599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988305.

The product of its digits is 5143824000, while the sum is 80.

The spelling of 3895728537599 in words is "three trillion, eight hundred ninety-five billion, seven hundred twenty-eight million, five hundred thirty-seven thousand, five hundred ninety-nine".