109802663977 has 4 divisors (see below), whose sum is σ = 111441509776. Its totient is φ = 108163818180.

The previous prime is 109802663917. The next prime is 109802664017. The reversal of 109802663977 is 779366208901.

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 109802663977 - 2³¹ = 107655180329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109802663917) 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, 819422799 + ... + 819422932.

It is an arithmetic number, because the mean of its divisors is an integer number (27860377444).

Almost surely, 2^109802663977 is an apocalyptic number.

It is an amenable number.

109802663977 is a deficient number, since it is larger than the sum of its proper divisors (1638845799).

109802663977 is an equidigital number, since it uses as much as digits as its factorization.

109802663977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638845798.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 109802663977 in words is "one hundred nine billion, eight hundred two million, six hundred sixty-three thousand, nine hundred seventy-seven".