100340779 has 12 divisors (see below), whose sum is σ = 127334808. Its totient is φ = 78187200.

The previous prime is 100340753. The next prime is 100340803. The reversal of 100340779 is 977043001.

It is not a de Polignac number, because 100340779 - 2⁹ = 100340267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100340779.

It is not an unprimeable number, because it can be changed into a prime (100340879) 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, 92542 + ... + 93619.

It is an arithmetic number, because the mean of its divisors is an integer number (10611234).

Almost surely, 2^100340779 is an apocalyptic number.

100340779 is a deficient number, since it is larger than the sum of its proper divisors (26994029).

100340779 is a wasteful number, since it uses less digits than its factorization.

100340779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186186 (or 186179 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 100340779 is about 10017.0244583908. The cubic root of 100340779 is about 464.6855375716.

The spelling of 100340779 in words is "one hundred million, three hundred forty thousand, seven hundred seventy-nine".