106398909777 has 8 divisors (see below), whose sum is σ = 144883622016. Its totient is φ = 69423402032.

The previous prime is 106398909739. The next prime is 106398909779. The reversal of 106398909777 is 777909893601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106398909777 - 2⁸ = 106398909521 is a prime.

It is a super-2 number, since 2×106398909777² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106398909779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377300958 + ... + 377301239.

It is an arithmetic number, because the mean of its divisors is an integer number (18110452752).

Almost surely, 2^106398909777 is an apocalyptic number.

It is an amenable number.

106398909777 is a deficient number, since it is larger than the sum of its proper divisors (38484712239).

106398909777 is an equidigital number, since it uses as much as digits as its factorization.

106398909777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754602247.

The product of its (nonzero) digits is 36006768, while the sum is 66.

The spelling of 106398909777 in words is "one hundred six billion, three hundred ninety-eight million, nine hundred nine thousand, seven hundred seventy-seven".