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85623706767 = 3316073151603
BaseRepresentation
bin100111110111110010…
…0100001010010001111
322012000021002222101210
41033233210201102033
52400324132104032
6103200205105503
76120556333104
oct1175744412217
9265007088353
1085623706767
1133349394225
1214717258293
1380c726c961
1442039d4aab
1523620772cc
hex13ef92148f

85623706767 has 16 divisors (see below), whose sum is σ = 117867865088. Its totient is φ = 55231640640.

The previous prime is 85623706723. The next prime is 85623706787. The reversal of 85623706767 is 76760732658.

It is not a de Polignac number, because 85623706767 - 230 = 84549964943 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 (85623706787) 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, 488988 + ... + 640590.

It is an arithmetic number, because the mean of its divisors is an integer number (7366741568).

Almost surely, 285623706767 is an apocalyptic number.

85623706767 is a deficient number, since it is larger than the sum of its proper divisors (32244158321).

85623706767 is a wasteful number, since it uses less digits than its factorization.

85623706767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157710.

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 85623706767 in words is "eighty-five billion, six hundred twenty-three million, seven hundred six thousand, seven hundred sixty-seven".

Divisors: 1 3 31 93 6073 18219 151603 188263 454809 564789 4699693 14099079 920685019 2762055057 28541235589 85623706767