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86477489949 = 3199144853417
BaseRepresentation
bin101000010001001110…
…1011100011100011101
322021012202122122202010
41100202131130130131
52404101214134244
6103421024421433
76150664351644
oct1204235343435
9267182578663
1086477489949
113374731a164
1214915177879
138202103bc6
14428516035b
1523b1ec4eb9
hex142275c71d

86477489949 has 8 divisors (see below), whose sum is σ = 115882734400. Its totient is φ = 57361952736.

The previous prime is 86477489947. The next prime is 86477489957. The reversal of 86477489949 is 94998477468.

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

It is not a de Polignac number, because 86477489949 - 21 = 86477489947 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 (86477489947) 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, 72426112 + ... + 72427305.

It is an arithmetic number, because the mean of its divisors is an integer number (14485341800).

Almost surely, 286477489949 is an apocalyptic number.

It is an amenable number.

86477489949 is a deficient number, since it is larger than the sum of its proper divisors (29405244451).

86477489949 is a wasteful number, since it uses less digits than its factorization.

86477489949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144853619.

The product of its digits is 877879296, while the sum is 75.

The spelling of 86477489949 in words is "eighty-six billion, four hundred seventy-seven million, four hundred eighty-nine thousand, nine hundred forty-nine".

Divisors: 1 3 199 597 144853417 434560251 28825829983 86477489949