78170044046 has 8 divisors (see below), whose sum is σ = 117745673760. Its totient is φ = 38921486128.

The previous prime is 78170044021. The next prime is 78170044067. The reversal of 78170044046 is 64044007187.

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

It is a super-2 number, since 2×78170044046² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78170043994 and 78170044012.

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 3 ways as a sum of consecutive naturals, for example, 81767351 + ... + 81768306.

It is an arithmetic number, because the mean of its divisors is an integer number (14718209220).

Almost surely, 2^78170044046 is an apocalyptic number.

78170044046 is a deficient number, since it is larger than the sum of its proper divisors (39575629714).

78170044046 is a wasteful number, since it uses less digits than its factorization.

78170044046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163535898.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 78170044046 in words is "seventy-eight billion, one hundred seventy million, forty-four thousand, forty-six".