10200009977 has 4 divisors (see below), whose sum is σ = 10201431696. Its totient is φ = 10198588260.

The previous prime is 10200009961. The next prime is 10200010001. The reversal of 10200009977 is 77990000201.

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 a cyclic number.

It is not a de Polignac number, because 10200009977 - 2⁴ = 10200009961 is a prime.

It is a super-3 number, since 3×10200009977³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10200009907) 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, 700043 + ... + 714464.

It is an arithmetic number, because the mean of its divisors is an integer number (2550357924).

Almost surely, 2^10200009977 is an apocalyptic number.

It is an amenable number.

10200009977 is a deficient number, since it is larger than the sum of its proper divisors (1421719).

10200009977 is an equidigital number, since it uses as much as digits as its factorization.

10200009977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421718.

The product of its (nonzero) digits is 7938, while the sum is 35.

The spelling of 10200009977 in words is "ten billion, two hundred million, nine thousand, nine hundred seventy-seven".