2928889897 has 8 divisors (see below), whose sum is σ = 3236011776. Its totient is φ = 2636749632.

The previous prime is 2928889883. The next prime is 2928889903. The reversal of 2928889897 is 7989888292.

It is a happy number.

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-2928889897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2928889097) 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, 3744993 + ... + 3745774.

It is an arithmetic number, because the mean of its divisors is an integer number (404501472).

Almost surely, 2^2928889897 is an apocalyptic number.

It is an amenable number.

2928889897 is a deficient number, since it is larger than the sum of its proper divisors (307121879).

2928889897 is a wasteful number, since it uses less digits than its factorization.

2928889897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490807.

The product of its digits is 83607552, while the sum is 70.

The square root of 2928889897 is about 54119.2192940733. The cubic root of 2928889897 is about 1430.7629386038.

It can be divided in two parts, 292888989 and 7, that added together give a square (292888996 = 17114²).

The spelling of 2928889897 in words is "two billion, nine hundred twenty-eight million, eight hundred eighty-nine thousand, eight hundred ninety-seven".