8257654020243 has 16 divisors (see below), whose sum is σ = 11031526510976. Its totient is φ = 5494452220800.

The previous prime is 8257654020233. The next prime is 8257654020257. The reversal of 8257654020243 is 3420204567528.

It is not a de Polignac number, because 8257654020243 - 2³² = 8253359052947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8257654020192 and 8257654020201.

It is not an unprimeable number, because it can be changed into a prime (8257654020233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004480 + ... + 4531362.

It is an arithmetic number, because the mean of its divisors is an integer number (689470406936).

Almost surely, 2^{8257654020243} is an apocalyptic number.

8257654020243 is a deficient number, since it is larger than the sum of its proper divisors (2773872490733).

8257654020243 is a wasteful number, since it uses less digits than its factorization.

8257654020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528994.

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 8257654020243 in words is "eight trillion, two hundred fifty-seven billion, six hundred fifty-four million, twenty thousand, two hundred forty-three".