102677485127785 has 16 divisors (see below), whose sum is σ = 123293714864400. Its totient is φ = 82088183946240.

The previous prime is 102677485127759. The next prime is 102677485127803. The reversal of 102677485127785 is 587721584776201.

It can be written as a sum of positive squares in 8 ways, for example, as 12658737799744 + 90018747328041 = 3557912^2 + 9487821^2 .

It is not a de Polignac number, because 102677485127785 - 2¹¹ = 102677485125737 is a prime.

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, 45564789 + ... + 47765101.

It is an arithmetic number, because the mean of its divisors is an integer number (7705857179025).

Almost surely, 2^{102677485127785} is an apocalyptic number.

It is an amenable number.

102677485127785 is a deficient number, since it is larger than the sum of its proper divisors (20616229736615).

102677485127785 is a wasteful number, since it uses less digits than its factorization.

102677485127785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206428.

The product of its (nonzero) digits is 368793600, while the sum is 70.

The spelling of 102677485127785 in words is "one hundred two trillion, six hundred seventy-seven billion, four hundred eighty-five million, one hundred twenty-seven thousand, seven hundred eighty-five".