7860420365 has 16 divisors (see below), whose sum is σ = 11347374720. Its totient is φ = 5106317760.

The previous prime is 7860420353. The next prime is 7860420409. The reversal of 7860420365 is 5630240687.

It is a happy number.

It is not a de Polignac number, because 7860420365 - 2¹⁶ = 7860354829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5909426 + ... + 5910755.

It is an arithmetic number, because the mean of its divisors is an integer number (709210920).

Almost surely, 2^7860420365 is an apocalyptic number.

It is an amenable number.

7860420365 is a deficient number, since it is larger than the sum of its proper divisors (3486954355).

7860420365 is a wasteful number, since it uses less digits than its factorization.

7860420365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820212.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 7860420365 is about 88659.0117528951. The cubic root of 7860420365 is about 1988.3000528341.

The spelling of 7860420365 in words is "seven billion, eight hundred sixty million, four hundred twenty thousand, three hundred sixty-five".