5230672978 has 4 divisors (see below), whose sum is σ = 7846009470. Its totient is φ = 2615336488.

The previous prime is 5230672973. The next prime is 5230672991. The reversal of 5230672978 is 8792760325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3781881009 + 1448791969 = 61497^2 + 38063^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5230672973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1307668243 + ... + 1307668246.

Almost surely, 2^5230672978 is an apocalyptic number.

5230672978 is a deficient number, since it is larger than the sum of its proper divisors (2615336492).

5230672978 is a wasteful number, since it uses less digits than its factorization.

5230672978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615336491.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 5230672978 is about 72323.3916378373. The cubic root of 5230672978 is about 1735.8779620813.

The spelling of 5230672978 in words is "five billion, two hundred thirty million, six hundred seventy-two thousand, nine hundred seventy-eight".