52780028307 has 8 divisors (see below), whose sum is σ = 70379691984. Its totient is φ = 35183525088.

The previous prime is 52780028303. The next prime is 52780028311. The reversal of 52780028307 is 70382008725.

It is an interprime number because it is at equal distance from previous prime (52780028303) and next prime (52780028311).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52780028307 - 2² = 52780028303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52780028303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750868 + ... + 818145.

It is an arithmetic number, because the mean of its divisors is an integer number (8797461498).

Almost surely, 2^52780028307 is an apocalyptic number.

52780028307 is a deficient number, since it is larger than the sum of its proper divisors (17599663677).

52780028307 is a wasteful number, since it uses less digits than its factorization.

52780028307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580229.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 52780028307 in words is "fifty-two billion, seven hundred eighty million, twenty-eight thousand, three hundred seven".