912380851 has 4 divisors (see below), whose sum is σ = 918192352. Its totient is φ = 906569352.

The previous prime is 912380839. The next prime is 912380857. The reversal of 912380851 is 158083219.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158083219 = 7 ⋅22583317.

It is a cyclic number.

It is not a de Polignac number, because 912380851 - 2¹⁹ = 911856563 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 912380851.

It is not an unprimeable number, because it can be changed into a prime (912380857) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2905515 + ... + 2905828.

It is an arithmetic number, because the mean of its divisors is an integer number (229548088).

Almost surely, 2^912380851 is an apocalyptic number.

912380851 is a deficient number, since it is larger than the sum of its proper divisors (5811501).

912380851 is a wasteful number, since it uses less digits than its factorization.

912380851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811500.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 912380851 is about 30205.6427013232. The cubic root of 912380851 is about 969.8964891139.

The spelling of 912380851 in words is "nine hundred twelve million, three hundred eighty thousand, eight hundred fifty-one".