82707103670557 has 16 divisors (see below), whose sum is σ = 85702719354880. Its totient is φ = 79732052697600.

The previous prime is 82707103670537. The next prime is 82707103670579. The reversal of 82707103670557 is 75507630170728.

It is a cyclic number.

It is not a de Polignac number, because 82707103670557 - 2²⁷ = 82706969452829 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 (82707103670507) 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, 56649613 + ... + 58091245.

It is an arithmetic number, because the mean of its divisors is an integer number (5356419959680).

Almost surely, 2^{82707103670557} is an apocalyptic number.

It is an amenable number.

82707103670557 is a deficient number, since it is larger than the sum of its proper divisors (2995615684323).

82707103670557 is a wasteful number, since it uses less digits than its factorization.

82707103670557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448764.

The product of its (nonzero) digits is 17287200, while the sum is 58.

The spelling of 82707103670557 in words is "eighty-two trillion, seven hundred seven billion, one hundred three million, six hundred seventy thousand, five hundred fifty-seven".