5211820378 has 16 divisors (see below), whose sum is σ = 8420783616. Its totient is φ = 2412202320.

The previous prime is 5211820357. The next prime is 5211820399. The reversal of 5211820378 is 8730281125.

It is an interprime number because it is at equal distance from previous prime (5211820357) and next prime (5211820399).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826001 + ... + 1828852.

It is an arithmetic number, because the mean of its divisors is an integer number (526298976).

Almost surely, 2^5211820378 is an apocalyptic number.

5211820378 is a deficient number, since it is larger than the sum of its proper divisors (3208963238).

5211820378 is a wasteful number, since it uses less digits than its factorization.

5211820378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654909.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 5211820378 is about 72192.9385604991. The cubic root of 5211820378 is about 1733.7899446535.

The spelling of 5211820378 in words is "five billion, two hundred eleven million, eight hundred twenty thousand, three hundred seventy-eight".