3728886235690 has 32 divisors (see below), whose sum is σ = 8368201839744. Its totient is φ = 1162250255040.

The previous prime is 3728886235621. The next prime is 3728886235691. The reversal of 3728886235690 is 965326888273.

It is a super-2 number, since 2×3728886235690² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3728886235691) by changing a digit.

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, 2421353929 + ... + 2421355468.

It is an arithmetic number, because the mean of its divisors is an integer number (261506307492).

Almost surely, 2^{3728886235690} is an apocalyptic number.

3728886235690 is an abundant number, since it is smaller than the sum of its proper divisors (4639315604054).

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

3728886235690 is a wasteful number, since it uses less digits than its factorization.

3728886235690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842709422.

The product of its (nonzero) digits is 209018880, while the sum is 67.

The spelling of 3728886235690 in words is "three trillion, seven hundred twenty-eight billion, eight hundred eighty-six million, two hundred thirty-five thousand, six hundred ninety".