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87764222944 = 252742631967
BaseRepresentation
bin101000110111100100…
…1111100001111100000
322101112102212110120201
41101233021330033200
52414220120113234
6104152431514544
76224610405046
oct1215711741740
9271472773521
1087764222944
1134247685762
1215014088a54
138378875288
144367dca396
152439e44314
hex146f27c3e0

87764222944 has 12 divisors (see below), whose sum is σ = 172785813984. Its totient is φ = 43882111456.

The previous prime is 87764222939. The next prime is 87764222947. The reversal of 87764222944 is 44922246778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87764222947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371315952 + ... + 1371316015.

It is an arithmetic number, because the mean of its divisors is an integer number (14398817832).

Almost surely, 287764222944 is an apocalyptic number.

It is an amenable number.

87764222944 is a deficient number, since it is larger than the sum of its proper divisors (85021591040).

87764222944 is a wasteful number, since it uses less digits than its factorization.

87764222944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742631977 (or 2742631969 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 55.

The spelling of 87764222944 in words is "eighty-seven billion, seven hundred sixty-four million, two hundred twenty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 2742631967 5485263934 10970527868 21941055736 43882111472 87764222944