109687770 has 48 divisors (see below), whose sum is σ = 295757280. Its totient is φ = 29249424.

The previous prime is 109687763. The next prime is 109687807. The reversal of 109687770 is 77786901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20140 + ... + 24999.

It is an arithmetic number, because the mean of its divisors is an integer number (6161610).

Almost surely, 2^109687770 is an apocalyptic number.

109687770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109687770 is an abundant number, since it is smaller than the sum of its proper divisors (186069510).

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

109687770 is an equidigital number, since it uses as much as digits as its factorization.

109687770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45161 (or 45149 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 109687770 is about 10473.1929228865. The cubic root of 109687770 is about 478.6882151837.

The spelling of 109687770 in words is "one hundred nine million, six hundred eighty-seven thousand, seven hundred seventy".