10309779 has 12 divisors (see below), whose sum is σ = 15209376. Its totient is φ = 6726672.

The previous prime is 10309753. The next prime is 10309801. The reversal of 10309779 is 97790301.

It is not a de Polignac number, because 10309779 - 2¹⁶ = 10244243 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10309709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11764 + ... + 12609.

It is an arithmetic number, because the mean of its divisors is an integer number (1267448).

Almost surely, 2^10309779 is an apocalyptic number.

10309779 is a deficient number, since it is larger than the sum of its proper divisors (4899597).

10309779 is a wasteful number, since it uses less digits than its factorization.

10309779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24426 (or 24423 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 10309779 is about 3210.8844575911. The cubic root of 10309779 is about 217.6455466559.

The spelling of 10309779 in words is "ten million, three hundred nine thousand, seven hundred seventy-nine".