2855888997 has 8 divisors (see below), whose sum is σ = 4100763744. Its totient is φ = 1757470128.

The previous prime is 2855888977. The next prime is 2855889061. The reversal of 2855888997 is 7998885582.

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

It is not a de Polignac number, because 2855888997 - 2⁸ = 2855888741 is a prime.

It is a super-2 number, since 2×2855888997² = 16312203926371332018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855888927) 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, 36613923 + ... + 36614000.

It is an arithmetic number, because the mean of its divisors is an integer number (512595468).

Almost surely, 2^2855888997 is an apocalyptic number.

It is an amenable number.

2855888997 is a deficient number, since it is larger than the sum of its proper divisors (1244874747).

2855888997 is a wasteful number, since it uses less digits than its factorization.

2855888997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73227939.

The product of its digits is 116121600, while the sum is 69.

The square root of 2855888997 is about 53440.5183077410. The cubic root of 2855888997 is about 1418.7758074782.

The spelling of 2855888997 in words is "two billion, eight hundred fifty-five million, eight hundred eighty-eight thousand, nine hundred ninety-seven".