75920725879 has 2 divisors, whose sum is σ = 75920725880. Its totient is φ = 75920725878.

The previous prime is 75920725849. The next prime is 75920725897. The reversal of 75920725879 is 97852702957.

Together with next prime (75920725897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (97852702957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75920725879 - 2¹¹ = 75920723831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75920725819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37960362939 + 37960362940.

It is an arithmetic number, because the mean of its divisors is an integer number (37960362940).

Almost surely, 2^75920725879 is an apocalyptic number.

75920725879 is a deficient number, since it is larger than the sum of its proper divisors (1).

75920725879 is an equidigital number, since it uses as much as digits as its factorization.

75920725879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 75920725879 in words is "seventy-five billion, nine hundred twenty million, seven hundred twenty-five thousand, eight hundred seventy-nine".