105427932728 has 32 divisors (see below), whose sum is σ = 198987138000. Its totient is φ = 52365850368.

The previous prime is 105427932721. The next prime is 105427932733. The reversal of 105427932728 is 827239724501.

It is a super-2 number, since 2×105427932728² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105427932721) 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, 661823 + ... + 805521.

Almost surely, 2^105427932728 is an apocalyptic number.

It is an amenable number.

105427932728 is a deficient number, since it is larger than the sum of its proper divisors (93559205272).

105427932728 is a wasteful number, since it uses less digits than its factorization.

105427932728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144311 (or 144307 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 105427932728 in words is "one hundred five billion, four hundred twenty-seven million, nine hundred thirty-two thousand, seven hundred twenty-eight".