7425179987 has 2 divisors, whose sum is σ = 7425179988. Its totient is φ = 7425179986.

The previous prime is 7425179977. The next prime is 7425180013. The reversal of 7425179987 is 7899715247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7425179987 - 2¹⁰ = 7425178963 is a prime.

It is not a weakly prime, because it can be changed into another prime (7425179977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3712589993 + 3712589994.

It is an arithmetic number, because the mean of its divisors is an integer number (3712589994).

Almost surely, 2^7425179987 is an apocalyptic number.

7425179987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7425179987 is an equidigital number, since it uses as much as digits as its factorization.

7425179987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 59.

The square root of 7425179987 is about 86169.4840822434. The cubic root of 7425179987 is about 1950.9029337560.

The spelling of 7425179987 in words is "seven billion, four hundred twenty-five million, one hundred seventy-nine thousand, nine hundred eighty-seven".