102647527427 has 2 divisors, whose sum is σ = 102647527428. Its totient is φ = 102647527426.

The previous prime is 102647527373. The next prime is 102647527523. The reversal of 102647527427 is 724725746201.

It is a weak prime.

It is an emirp because it is prime and its reverse (724725746201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102647527427 - 2⁶ = 102647527363 is a prime.

It is not a weakly prime, because it can be changed into another prime (102647527327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51323763713 + 51323763714.

It is an arithmetic number, because the mean of its divisors is an integer number (51323763714).

Almost surely, 2^102647527427 is an apocalyptic number.

102647527427 is a deficient number, since it is larger than the sum of its proper divisors (1).

102647527427 is an equidigital number, since it uses as much as digits as its factorization.

102647527427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 102647527427 in words is "one hundred two billion, six hundred forty-seven million, five hundred twenty-seven thousand, four hundred twenty-seven".