5270142978 has 12 divisors (see below), whose sum is σ = 11418643158. Its totient is φ = 1756714320.

The previous prime is 5270142971. The next prime is 5270142979. The reversal of 5270142978 is 8792410725.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5227723809 + 42419169 = 72303^2 + 6513^2 .

It is not an unprimeable number, because it can be changed into a prime (5270142971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146392843 + ... + 146392878.

Almost surely, 2^5270142978 is an apocalyptic number.

5270142978 is an abundant number, since it is smaller than the sum of its proper divisors (6148500180).

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

5270142978 is a wasteful number, since it uses less digits than its factorization.

5270142978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292785729 (or 292785726 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 5270142978 is about 72595.7504128169. The cubic root of 5270142978 is about 1740.2332644069.

The spelling of 5270142978 in words is "five billion, two hundred seventy million, one hundred forty-two thousand, nine hundred seventy-eight".