247380760987 has 2 divisors, whose sum is σ = 247380760988. Its totient is φ = 247380760986.

The previous prime is 247380760967. The next prime is 247380761011. The reversal of 247380760987 is 789067083742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247380760987 - 2⁷ = 247380760859 is a prime.

It is a super-2 number, since 2×247380760987² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247380760967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123690380493 + 123690380494.

It is an arithmetic number, because the mean of its divisors is an integer number (123690380494).

Almost surely, 2^247380760987 is an apocalyptic number.

247380760987 is a deficient number, since it is larger than the sum of its proper divisors (1).

247380760987 is an equidigital number, since it uses as much as digits as its factorization.

247380760987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 247380760987 in words is "two hundred forty-seven billion, three hundred eighty million, seven hundred sixty thousand, nine hundred eighty-seven".