10000001009977 has 4 divisors (see below), whose sum is σ = 10909092010896. Its totient is φ = 9090910009060.

The previous prime is 10000001009923. The next prime is 10000001009981. The reversal of 10000001009977 is 77990010000001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10000001009977 - 2³⁵ = 9965641271609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000001007977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454545500443 + ... + 454545500464.

It is an arithmetic number, because the mean of its divisors is an integer number (2727273002724).

Almost surely, 2^{10000001009977} is an apocalyptic number.

It is an amenable number.

10000001009977 is a deficient number, since it is larger than the sum of its proper divisors (909091000919).

10000001009977 is an equidigital number, since it uses as much as digits as its factorization.

10000001009977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909091000918.

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

Adding to 10000001009977 its reverse (77990010000001), we get a palindrome (87990011009978).

The spelling of 10000001009977 in words is "ten trillion, one million, nine thousand, nine hundred seventy-seven".