83877771510105 has 16 divisors (see below), whose sum is σ = 134980182596160. Its totient is φ = 44476228745408.

The previous prime is 83877771510061. The next prime is 83877771510119. The reversal of 83877771510105 is 50101517777838.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 83877771510105 - 2¹⁴ = 83877771493721 is a prime.

It is a super-2 number, since 2×83877771510105² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16161417735 + ... + 16161422924.

It is an arithmetic number, because the mean of its divisors is an integer number (8436261412260).

Almost surely, 2^{83877771510105} is an apocalyptic number.

It is an amenable number.

83877771510105 is a deficient number, since it is larger than the sum of its proper divisors (51102411086055).

83877771510105 is a wasteful number, since it uses less digits than its factorization.

83877771510105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32322840840.

The product of its (nonzero) digits is 11524800, while the sum is 60.

The spelling of 83877771510105 in words is "eighty-three trillion, eight hundred seventy-seven billion, seven hundred seventy-one million, five hundred ten thousand, one hundred five".