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87764472000 = 2634531731257
BaseRepresentation
bin101000110111100101…
…0111001000011000000
322101112110100010020000
41101233022321003000
52414220201101000
6104152441120000
76224612463132
oct1215712710300
9271473303200
1087764472000
1134247835897
1215014189000
13837893174a
144368053052
152439e93000
hex146f2b90c0

87764472000 has 1120 divisors, whose sum is σ = 356250825216. Its totient is φ = 21233664000.

The previous prime is 87764471953. The next prime is 87764472011. The reversal of 87764472000 is 27446778.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 341495872 + ... + 341496128.

Almost surely, 287764472000 is an apocalyptic number.

87764472000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87764472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178125412608).

87764472000 is an abundant number, since it is smaller than the sum of its proper divisors (268486353216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87764472000 is a wasteful number, since it uses less digits than its factorization.

87764472000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 87764472000 in words is "eighty-seven billion, seven hundred sixty-four million, four hundred seventy-two thousand".