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87086648430814 = 21719447131710393
BaseRepresentation
bin10011110011010001110000…
…101111101001000011011110
3102102100101212021010100112111
4103303101300233221003132
542403311423444241224
6505115015354424234
724225542221650424
oct2363216057510336
9372311767110474
1087086648430814
1125826270770a8a
129925b8643207a
13397930ab13086
141771032927114
15a104cc126d94
hex4f3470be90de

87086648430814 has 16 divisors (see below), whose sum is σ = 138321202095648. Its totient is φ = 40979844525312.

The previous prime is 87086648430791. The next prime is 87086648430851. The reversal of 87086648430814 is 41803484668078.

It is a self number, because there is not a number n which added to its sum of digits gives 87086648430814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65193999 + ... + 66516394.

It is an arithmetic number, because the mean of its divisors is an integer number (8645075130978).

Almost surely, 287086648430814 is an apocalyptic number.

87086648430814 is a deficient number, since it is larger than the sum of its proper divisors (51234553664834).

87086648430814 is a wasteful number, since it uses less digits than its factorization.

87086648430814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131729859.

The product of its (nonzero) digits is 198180864, while the sum is 67.

The spelling of 87086648430814 in words is "eighty-seven trillion, eighty-six billion, six hundred forty-eight million, four hundred thirty thousand, eight hundred fourteen".

Divisors: 1 2 17 34 19447 38894 330599 661198 131710393 263420786 2239076681 4478153362 2561372012671 5122744025342 43543324215407 87086648430814