82707103857578 has 64 divisors (see below), whose sum is σ = 132637539916800. Its totient is φ = 38594372247552.

The previous prime is 82707103857563. The next prime is 82707103857691. The reversal of 82707103857578 is 87575830170728.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2275092650 + ... + 2275129002.

It is an arithmetic number, because the mean of its divisors is an integer number (2072461561200).

Almost surely, 2^{82707103857578} is an apocalyptic number.

82707103857578 is a deficient number, since it is larger than the sum of its proper divisors (49930436059222).

82707103857578 is a wasteful number, since it uses less digits than its factorization.

82707103857578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43451.

The product of its (nonzero) digits is 184396800, while the sum is 68.

The spelling of 82707103857578 in words is "eighty-two trillion, seven hundred seven billion, one hundred three million, eight hundred fifty-seven thousand, five hundred seventy-eight".