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38792822857 is a prime number
BaseRepresentation
bin100100001000001110…
…111000000001001001
310201010112112120202221
4210020032320001021
51113421430312412
625453212454041
72542215360625
oct441016700111
9121115476687
1038792822857
11154a759aa88
12762777a321
133872c47369
141c40130185
151020a2eb07
hex9083b8049

38792822857 has 2 divisors, whose sum is σ = 38792822858. Its totient is φ = 38792822856.

The previous prime is 38792822797. The next prime is 38792822941. The reversal of 38792822857 is 75822829783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32711786496 + 6081036361 = 180864^2 + 77981^2 .

It is an emirp because it is prime and its reverse (75822829783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38792822857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38792822795 and 38792822804.

It is not a weakly prime, because it can be changed into another prime (38792826857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19396411428 + 19396411429.

It is an arithmetic number, because the mean of its divisors is an integer number (19396411429).

Almost surely, 238792822857 is an apocalyptic number.

It is an amenable number.

38792822857 is a deficient number, since it is larger than the sum of its proper divisors (1).

38792822857 is an equidigital number, since it uses as much as digits as its factorization.

38792822857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 61.

The spelling of 38792822857 in words is "thirty-eight billion, seven hundred ninety-two million, eight hundred twenty-two thousand, eight hundred fifty-seven".