1017978483 has 8 divisors (see below), whose sum is σ = 1373658048. Its totient is φ = 670475624.

The previous prime is 1017978449. The next prime is 1017978541. The reversal of 1017978483 is 3848797101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1017978483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1017978083) 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, 2043885 + ... + 2044382.

It is an arithmetic number, because the mean of its divisors is an integer number (171707256).

Almost surely, 2^1017978483 is an apocalyptic number.

1017978483 is a deficient number, since it is larger than the sum of its proper divisors (355679565).

1017978483 is an equidigital number, since it uses as much as digits as its factorization.

1017978483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088353.

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 1017978483 is about 31905.7750728610. The cubic root of 1017978483 is about 1005.9572681503.

The spelling of 1017978483 in words is "one billion, seventeen million, nine hundred seventy-eight thousand, four hundred eighty-three".