10000109977 has 12 divisors (see below), whose sum is σ = 11837385700. Its totient is φ = 8391699360.

The previous prime is 10000109941. The next prime is 10000109981. The reversal of 10000109977 is 77990100001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3685582681 + 6314527296 = 60709^2 + 79464^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10000109977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000101977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3177102 + ... + 3180247.

Almost surely, 2^10000109977 is an apocalyptic number.

It is an amenable number.

10000109977 is a deficient number, since it is larger than the sum of its proper divisors (1837275723).

10000109977 is a wasteful number, since it uses less digits than its factorization.

10000109977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357384 (or 6357373 counting only the distinct ones).

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

Adding to 10000109977 its reverse (77990100001), we get a palindrome (87990209978).

The spelling of 10000109977 in words is "ten billion, one hundred nine thousand, nine hundred seventy-seven".