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3872708407 is a prime number
BaseRepresentation
bin1110011011010100…
…1101011100110111
3100222220011222012201
43212311031130313
530412403132112
61440141325331
7164653323031
oct34665153467
910886158181
103872708407
111708052167
12900b66847
13499443949
1428a49ac51
15179ece257
hexe6d4d737

3872708407 has 2 divisors, whose sum is σ = 3872708408. Its totient is φ = 3872708406.

The previous prime is 3872708369. The next prime is 3872708429. The reversal of 3872708407 is 7048072783.

It is a strong prime.

It is an emirp because it is prime and its reverse (7048072783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3872708407 - 223 = 3864319799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3872708447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936354203 + 1936354204.

It is an arithmetic number, because the mean of its divisors is an integer number (1936354204).

Almost surely, 23872708407 is an apocalyptic number.

3872708407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872708407 is an equidigital number, since it uses as much as digits as its factorization.

3872708407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 46.

The square root of 3872708407 is about 62231.0887499166. The cubic root of 3872708407 is about 1570.3806408002.

The spelling of 3872708407 in words is "three billion, eight hundred seventy-two million, seven hundred eight thousand, four hundred seven".