28293770707 has 2 divisors, whose sum is σ = 28293770708. Its totient is φ = 28293770706.

The previous prime is 28293770699. The next prime is 28293770717. The reversal of 28293770707 is 70707739282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28293770707 - 2³ = 28293770699 is a prime.

It is not a weakly prime, because it can be changed into another prime (28293770717) 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 as a sum of consecutive naturals, namely, 14146885353 + 14146885354.

It is an arithmetic number, because the mean of its divisors is an integer number (14146885354).

Almost surely, 2^28293770707 is an apocalyptic number.

28293770707 is a deficient number, since it is larger than the sum of its proper divisors (1).

28293770707 is an equidigital number, since it uses as much as digits as its factorization.

28293770707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 28293770707 in words is "twenty-eight billion, two hundred ninety-three million, seven hundred seventy thousand, seven hundred seven".