5211330978 has 16 divisors (see below), whose sum is σ = 11911613760. Its totient is φ = 1488951696.

The previous prime is 5211330973. The next prime is 5211330979. The reversal of 5211330978 is 8790331125.

It is not an unprimeable number, because it can be changed into a prime (5211330973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62039613 + ... + 62039696.

It is an arithmetic number, because the mean of its divisors is an integer number (744475860).

Almost surely, 2^5211330978 is an apocalyptic number.

5211330978 is an abundant number, since it is smaller than the sum of its proper divisors (6700282782).

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

5211330978 is a wasteful number, since it uses less digits than its factorization.

5211330978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124079321.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 5211330978 is about 72189.5489527397. The cubic root of 5211330978 is about 1733.7356742133.

The spelling of 5211330978 in words is "five billion, two hundred eleven million, three hundred thirty thousand, nine hundred seventy-eight".