5203110978 has 80 divisors (see below), whose sum is σ = 12629115576. Its totient is φ = 1591591680.

The previous prime is 5203110973. The next prime is 5203111003. The reversal of 5203110978 is 8790113025.

5203110978 is a `hidden beast` number, since 520 + 31 + 10 + 97 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2864711529 + 2338399449 = 53523^2 + 48357^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5203110973) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 357198 + ... + 371478.

Almost surely, 2^5203110978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5203110978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6314557788).

5203110978 is an abundant number, since it is smaller than the sum of its proper divisors (7426004598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5203110978 is a wasteful number, since it uses less digits than its factorization.

5203110978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481 (or 14472 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5203110978 is about 72132.5930353263. The cubic root of 5203110978 is about 1732.8236354980.

The spelling of 5203110978 in words is "five billion, two hundred three million, one hundred ten thousand, nine hundred seventy-eight".