109377408 has 96 divisors (see below), whose sum is σ = 338025960. Its totient is φ = 31245312.

The previous prime is 109377407. The next prime is 109377409. The reversal of 109377408 is 804773901.

It is an interprime number because it is at equal distance from previous prime (109377407) and next prime (109377409).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109377407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15910 + ... + 21722.

Almost surely, 2^109377408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109377408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169012980).

109377408 is an abundant number, since it is smaller than the sum of its proper divisors (228648552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109377408 is an equidigital number, since it uses as much as digits as its factorization.

109377408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844 (or 5825 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 109377408 is about 10458.3654554620. The cubic root of 109377408 is about 478.2363052584.

The spelling of 109377408 in words is "one hundred nine million, three hundred seventy-seven thousand, four hundred eight".