Search a number
-
+
84768805977 = 3611367338857
BaseRepresentation
bin100111011110010011…
…1010101010001011001
322002210200110111222120
41032330213111101121
52342101303242402
6102535305411453
76060435651012
oct1167447252131
9262720414876
1084768805977
1132a4a865649
1214518a99b89
137cbc106abb
144162258009
152311ea83bc
hex13bc9d5459

84768805977 has 16 divisors (see below), whose sum is σ = 114962320512. Its totient is φ = 55545275520.

The previous prime is 84768805909. The next prime is 84768805993. The reversal of 84768805977 is 77950886748.

It is not a de Polignac number, because 84768805977 - 211 = 84768803929 is a prime.

It is a super-3 number, since 3×847688059773 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (84768804977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80733 + ... + 419589.

It is an arithmetic number, because the mean of its divisors is an integer number (7185145032).

Almost surely, 284768805977 is an apocalyptic number.

It is an amenable number.

84768805977 is a deficient number, since it is larger than the sum of its proper divisors (30193514535).

84768805977 is a wasteful number, since it uses less digits than its factorization.

84768805977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340288.

The product of its (nonzero) digits is 189665280, while the sum is 69.

The spelling of 84768805977 in words is "eighty-four billion, seven hundred sixty-eight million, eight hundred five thousand, nine hundred seventy-seven".

Divisors: 1 3 61 183 1367 4101 83387 250161 338857 1016571 20670277 62010831 463217519 1389652557 28256268659 84768805977