100605660487 has 2 divisors, whose sum is σ = 100605660488. Its totient is φ = 100605660486.

The previous prime is 100605660479. The next prime is 100605660539. The reversal of 100605660487 is 784066506001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100605660487 - 2³ = 100605660479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100605660437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50302830243 + 50302830244.

It is an arithmetic number, because the mean of its divisors is an integer number (50302830244).

Almost surely, 2^100605660487 is an apocalyptic number.

100605660487 is a deficient number, since it is larger than the sum of its proper divisors (1).

100605660487 is an equidigital number, since it uses as much as digits as its factorization.

100605660487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 100605660487 in words is "one hundred billion, six hundred five million, six hundred sixty thousand, four hundred eighty-seven".