4128888897 has 40 divisors (see below), whose sum is σ = 7054389056. Its totient is φ = 2357551008.

The previous prime is 4128888851. The next prime is 4128888899. The reversal of 4128888897 is 7988888214.

It is not a de Polignac number, because 4128888897 - 2²² = 4124694593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128888899) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1162278 + ... + 1165824.

Almost surely, 2^4128888897 is an apocalyptic number.

It is an amenable number.

4128888897 is a deficient number, since it is larger than the sum of its proper divisors (2925500159).

4128888897 is a wasteful number, since it uses less digits than its factorization.

4128888897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619 (or 5610 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 63.

The square root of 4128888897 is about 64256.4307832298. The cubic root of 4128888897 is about 1604.2709974322.

It can be divided in two parts, 4128 and 888897, that added together give a square (893025 = 945²).

The spelling of 4128888897 in words is "four billion, one hundred twenty-eight million, eight hundred eighty-eight thousand, eight hundred ninety-seven".