2820272553957 has 8 divisors (see below), whose sum is σ = 3761447409760. Its totient is φ = 1879639700400.

The previous prime is 2820272553953. The next prime is 2820272553971. The reversal of 2820272553957 is 7593552720282.

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

It is not a de Polignac number, because 2820272553957 - 2² = 2820272553953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2820272553897 and 2820272553906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820272553953) 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, 135488419 + ... + 135509232.

It is an arithmetic number, because the mean of its divisors is an integer number (470180926220).

Almost surely, 2^{2820272553957} is an apocalyptic number.

It is an amenable number.

2820272553957 is a deficient number, since it is larger than the sum of its proper divisors (941174855803).

2820272553957 is a wasteful number, since it uses less digits than its factorization.

2820272553957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271001123.

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 2820272553957 in words is "two trillion, eight hundred twenty billion, two hundred seventy-two million, five hundred fifty-three thousand, nine hundred fifty-seven".