2856214977 has 32 divisors (see below), whose sum is σ = 4901167104. Its totient is φ = 1435881600.

The previous prime is 2856214969. The next prime is 2856215023. The reversal of 2856214977 is 7794126582.

It is a happy number.

It is not a de Polignac number, because 2856214977 - 2³ = 2856214969 is a prime.

It is a super-2 number, since 2×2856214977² = 16315927989678221058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2856214937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192268 + ... + 206589.

It is an arithmetic number, because the mean of its divisors is an integer number (153161472).

Almost surely, 2^2856214977 is an apocalyptic number.

It is an amenable number.

2856214977 is a deficient number, since it is larger than the sum of its proper divisors (2044952127).

2856214977 is a wasteful number, since it uses less digits than its factorization.

2856214977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398909.

The product of its digits is 1693440, while the sum is 51.

The square root of 2856214977 is about 53443.5681537077. The cubic root of 2856214977 is about 1418.8297865769.

The spelling of 2856214977 in words is "two billion, eight hundred fifty-six million, two hundred fourteen thousand, nine hundred seventy-seven".