10001017887970 has 8 divisors (see below), whose sum is σ = 18001832198364. Its totient is φ = 4000407155184.

The previous prime is 10001017887923. The next prime is 10001017888019. The reversal of 10001017887970 is 7978871010001.

It can be written as a sum of positive squares in 2 ways, for example, as 9497941188129 + 503076699841 = 3081873^2 + 709279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500050894389 + ... + 500050894408.

Almost surely, 2^{10001017887970} is an apocalyptic number.

10001017887970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001017887970 is a deficient number, since it is larger than the sum of its proper divisors (8000814310394).

10001017887970 is a wasteful number, since it uses less digits than its factorization.

10001017887970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000101788804.

The product of its (nonzero) digits is 197568, while the sum is 49.

Adding to 10001017887970 its reverse (7978871010001), we get a palindrome (17979888897971).

The spelling of 10001017887970 in words is "ten trillion, one billion, seventeen million, eight hundred eighty-seven thousand, nine hundred seventy".