109776856 has 48 divisors (see below), whose sum is σ = 240843240. Its totient is φ = 46771200.

The previous prime is 109776853. The next prime is 109776869. The reversal of 109776856 is 658677901.

It is a super-2 number, since 2×109776856² = 24101916226489472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109776853) 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, 74931 + ... + 76381.

Almost surely, 2^109776856 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 109776856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120421620).

109776856 is an abundant number, since it is smaller than the sum of its proper divisors (131066384).

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

109776856 is a wasteful number, since it uses less digits than its factorization.

109776856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 109776856 is about 10477.4451084222. The cubic root of 109776856 is about 478.8177734702.

The spelling of 109776856 in words is "one hundred nine million, seven hundred seventy-six thousand, eight hundred fifty-six".