1000100009977 has 8 divisors (see below), whose sum is σ = 1018984691520. Its totient is φ = 981215879280.

The previous prime is 1000100009969. The next prime is 1000100010017. The reversal of 1000100009977 is 7799000010001.

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 not a de Polignac number, because 1000100009977 - 2³ = 1000100009969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000100009917) 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, 6728452 + ... + 6875482.

It is an arithmetic number, because the mean of its divisors is an integer number (127373086440).

Almost surely, 2^{1000100009977} is an apocalyptic number.

It is an amenable number.

1000100009977 is a deficient number, since it is larger than the sum of its proper divisors (18884681543).

1000100009977 is a wasteful number, since it uses less digits than its factorization.

1000100009977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275423.

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

Adding to 1000100009977 its reverse (7799000010001), we get a palindrome (8799100019978).

The spelling of 1000100009977 in words is "one trillion, one hundred million, nine thousand, nine hundred seventy-seven".