7505679487 has 2 divisors, whose sum is σ = 7505679488. Its totient is φ = 7505679486.

The previous prime is 7505679463. The next prime is 7505679529. The reversal of 7505679487 is 7849765057.

It is a weak prime.

It is an emirp because it is prime and its reverse (7849765057) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7505679487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7505679407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752839743 + 3752839744.

It is an arithmetic number, because the mean of its divisors is an integer number (3752839744).

Almost surely, 2^7505679487 is an apocalyptic number.

7505679487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7505679487 is an equidigital number, since it uses as much as digits as its factorization.

7505679487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14817600, while the sum is 58.

The square root of 7505679487 is about 86635.3247064960. The cubic root of 7505679487 is about 1957.9277945796.

The spelling of 7505679487 in words is "seven billion, five hundred five million, six hundred seventy-nine thousand, four hundred eighty-seven".