1028607658847 has 8 divisors (see below), whose sum is σ = 1029573918912. Its totient is φ = 1027641600000.

The previous prime is 1028607658843. The next prime is 1028607658849. The reversal of 1028607658847 is 7488567068201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028607658847 - 2² = 1028607658843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028607658847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028607658843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11383847 + ... + 11473847.

It is an arithmetic number, because the mean of its divisors is an integer number (128696739864).

Almost surely, 2^{1028607658847} is an apocalyptic number.

1028607658847 is a deficient number, since it is larger than the sum of its proper divisors (966260065).

1028607658847 is an equidigital number, since it uses as much as digits as its factorization.

1028607658847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100609.

The product of its (nonzero) digits is 36126720, while the sum is 62.

The spelling of 1028607658847 in words is "one trillion, twenty-eight billion, six hundred seven million, six hundred fifty-eight thousand, eight hundred forty-seven".