106978765 has 8 divisors (see below), whose sum is σ = 128573280. Its totient is φ = 85450512.

The previous prime is 106978757. The next prime is 106978789. The reversal of 106978765 is 567879601.

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 106978765 - 2³ = 106978757 is a prime.

It is a super-2 number, since 2×106978765² = 22888912321850450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12939 + ... + 19528.

It is an arithmetic number, because the mean of its divisors is an integer number (16071660).

Almost surely, 2^106978765 is an apocalyptic number.

It is an amenable number.

106978765 is a deficient number, since it is larger than the sum of its proper divisors (21594515).

106978765 is an equidigital number, since it uses as much as digits as its factorization.

106978765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33131.

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

The square root of 106978765 is about 10343.0539493904. The cubic root of 106978765 is about 474.7145320735.

The spelling of 106978765 in words is "one hundred six million, nine hundred seventy-eight thousand, seven hundred sixty-five".