724774399999987 has 2 divisors, whose sum is σ = 724774399999988. Its totient is φ = 724774399999986.

The previous prime is 724774399999889. The next prime is 724774400000011. The reversal of 724774399999987 is 789999993477427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 724774399999987 - 2²³ = 724774391611379 is a prime.

It is not a weakly prime, because it can be changed into another prime (724774399399987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362387199999993 + 362387199999994.

It is an arithmetic number, because the mean of its divisors is an integer number (362387199999994).

Almost surely, 2^{724774399999987} is an apocalyptic number.

724774399999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

724774399999987 is an equidigital number, since it uses as much as digits as its factorization.

724774399999987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979960197888, while the sum is 103.

The spelling of 724774399999987 in words is "seven hundred twenty-four trillion, seven hundred seventy-four billion, three hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-seven".