108494777 has 4 divisors (see below), whose sum is σ = 108528420. Its totient is φ = 108461136.

The previous prime is 108494747. The next prime is 108494779. The reversal of 108494777 is 777494801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49266361 + 59228416 = 7019^2 + 7696^2 .

It is a cyclic number.

It is not a de Polignac number, because 108494777 - 2⁸ = 108494521 is a prime.

It is a super-2 number, since 2×108494777² = 23542233272559458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108494779) 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, 11402 + ... + 18627.

It is an arithmetic number, because the mean of its divisors is an integer number (27132105).

Almost surely, 2^108494777 is an apocalyptic number.

It is an amenable number.

108494777 is a deficient number, since it is larger than the sum of its proper divisors (33643).

108494777 is an equidigital number, since it uses as much as digits as its factorization.

108494777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33642.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 108494777 is about 10416.0826129596. The cubic root of 108494777 is about 476.9464389080.

The spelling of 108494777 in words is "one hundred eight million, four hundred ninety-four thousand, seven hundred seventy-seven".