101780088947 has 2 divisors, whose sum is σ = 101780088948. Its totient is φ = 101780088946.

The previous prime is 101780088859. The next prime is 101780088983. The reversal of 101780088947 is 749880087101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101780088947 - 2¹⁰ = 101780087923 is a prime.

It is not a weakly prime, because it can be changed into another prime (101780085947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50890044473 + 50890044474.

It is an arithmetic number, because the mean of its divisors is an integer number (50890044474).

Almost surely, 2^101780088947 is an apocalyptic number.

101780088947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101780088947 is an equidigital number, since it uses as much as digits as its factorization.

101780088947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 53.

The spelling of 101780088947 in words is "one hundred one billion, seven hundred eighty million, eighty-eight thousand, nine hundred forty-seven".