1198770958857 has 8 divisors (see below), whose sum is σ = 1601858788576. Its totient is φ = 797431884192.

The previous prime is 1198770958843. The next prime is 1198770958909. The reversal of 1198770958857 is 7588590778911.

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

It is not a de Polignac number, because 1198770958857 - 2⁷ = 1198770958729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198770958837) 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, 437187163 + ... + 437189904.

It is an arithmetic number, because the mean of its divisors is an integer number (200232348572).

Almost surely, 2^{1198770958857} is an apocalyptic number.

It is an amenable number.

1198770958857 is a deficient number, since it is larger than the sum of its proper divisors (403087829719).

1198770958857 is an equidigital number, since it uses as much as digits as its factorization.

1198770958857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874377527.

The product of its (nonzero) digits is 355622400, while the sum is 75.

The spelling of 1198770958857 in words is "one trillion, one hundred ninety-eight billion, seven hundred seventy million, nine hundred fifty-eight thousand, eight hundred fifty-seven".