1000001009977 has 8 divisors (see below), whose sum is σ = 1002920270400. Its totient is φ = 997081965264.

The previous prime is 1000001009947. The next prime is 1000001009981. The reversal of 1000001009977 is 7799001000001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000001009977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000001009947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17664924 + ... + 17721442.

It is an arithmetic number, because the mean of its divisors is an integer number (125365033800).

Almost surely, 2^{1000001009977} is an apocalyptic number.

It is an amenable number.

1000001009977 is a deficient number, since it is larger than the sum of its proper divisors (2919260423).

1000001009977 is an equidigital number, since it uses as much as digits as its factorization.

1000001009977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107855.

The product of its (nonzero) digits is 3969, while the sum is 34.

Adding to 1000001009977 its reverse (7799001000001), we get a palindrome (8799002009978).

The spelling of 1000001009977 in words is "one trillion, one million, nine thousand, nine hundred seventy-seven".