1002000099977 has 4 divisors (see below), whose sum is σ = 1002109176336. Its totient is φ = 1001891023620.

The previous prime is 1002000099949. The next prime is 1002000100019. The reversal of 1002000099977 is 7799900002001.

1002000099977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1002000099977 - 2¹⁸ = 1001999837833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002000099917) 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, 54524399 + ... + 54542772.

It is an arithmetic number, because the mean of its divisors is an integer number (250527294084).

Almost surely, 2^{1002000099977} is an apocalyptic number.

It is an amenable number.

1002000099977 is a deficient number, since it is larger than the sum of its proper divisors (109076359).

1002000099977 is an equidigital number, since it uses as much as digits as its factorization.

1002000099977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109076358.

The product of its (nonzero) digits is 71442, while the sum is 44.

The spelling of 1002000099977 in words is "one trillion, two billion, ninety-nine thousand, nine hundred seventy-seven".