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84457081277 = 443553134469
BaseRepresentation
bin100111010101000001…
…0001100100110111101
322001222221220021002022
41032222002030212331
52340432003100102
6102444332205525
76046632226442
oct1165202144675
9261887807068
1084457081277
11328aa903228
12144506098a5
137c6c66240a
144132ab19c9
1522e49305a2
hex13aa08c9bd

84457081277 has 8 divisors (see below), whose sum is σ = 84665489760. Its totient is φ = 84248753680.

The previous prime is 84457081249. The next prime is 84457081283. The reversal of 84457081277 is 77218075448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84457081277 - 26 = 84457081213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84457081297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2432999 + ... + 2467467.

It is an arithmetic number, because the mean of its divisors is an integer number (10583186220).

Almost surely, 284457081277 is an apocalyptic number.

It is an amenable number.

84457081277 is a deficient number, since it is larger than the sum of its proper divisors (208408483).

84457081277 is a wasteful number, since it uses less digits than its factorization.

84457081277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40443.

The product of its (nonzero) digits is 3512320, while the sum is 53.

The spelling of 84457081277 in words is "eighty-four billion, four hundred fifty-seven million, eighty-one thousand, two hundred seventy-seven".

Divisors: 1 443 5531 34469 2450233 15269767 190648039 84457081277