Search a number
-
+
887470936531 is a prime number
BaseRepresentation
bin11001110101000010110…
…00111101000111010011
310010211201101010201020121
430322201120331013103
5104020020024432111
61515410514051111
7121055233331464
oct14724130750723
93124641121217
10887470936531
11312413230a93
12123bb8279a97
13658c3b3489a
1430d4d408d6b
1518142601871
hexcea163d1d3

887470936531 has 2 divisors, whose sum is σ = 887470936532. Its totient is φ = 887470936530.

The previous prime is 887470936501. The next prime is 887470936549. The reversal of 887470936531 is 135639074788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 887470936531 - 215 = 887470903763 is a prime.

It is a super-2 number, since 2×8874709365312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 887470936531.

It is not a weakly prime, because it can be changed into another prime (887470936501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443735468265 + 443735468266.

It is an arithmetic number, because the mean of its divisors is an integer number (443735468266).

Almost surely, 2887470936531 is an apocalyptic number.

887470936531 is a deficient number, since it is larger than the sum of its proper divisors (1).

887470936531 is an equidigital number, since it uses as much as digits as its factorization.

887470936531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 887470936531 in words is "eight hundred eighty-seven billion, four hundred seventy million, nine hundred thirty-six thousand, five hundred thirty-one".