78146804383 has 8 divisors (see below), whose sum is σ = 78246884736. Its totient is φ = 78046768800.

The previous prime is 78146804377. The next prime is 78146804389. The reversal of 78146804383 is 38340864187.

It is an interprime number because it is at equal distance from previous prime (78146804377) and next prime (78146804389).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78146804383 is a prime.

It is a super-2 number, since 2×78146804383² (a number of 23 digits) contains 22 as substring.

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 78146804383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78146804389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4682073 + ... + 4698733.

It is an arithmetic number, because the mean of its divisors is an integer number (9780860592).

Almost surely, 2^78146804383 is an apocalyptic number.

78146804383 is a deficient number, since it is larger than the sum of its proper divisors (100080353).

78146804383 is a wasteful number, since it uses less digits than its factorization.

78146804383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22385.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 78146804383 in words is "seventy-eight billion, one hundred forty-six million, eight hundred four thousand, three hundred eighty-three".