78375043 has 8 divisors (see below), whose sum is σ = 79142400. Its totient is φ = 77611200.

The previous prime is 78375041. The next prime is 78375047. The reversal of 78375043 is 34057387.

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

It is a cyclic number.

It is not a de Polignac number, because 78375043 - 2¹ = 78375041 is a prime.

It is a super-2 number, since 2×78375043² = 12285294730503698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78374993 and 78375011.

It is not an unprimeable number, because it can be changed into a prime (78375041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67518 + ... + 68668.

It is an arithmetic number, because the mean of its divisors is an integer number (9892800).

Almost surely, 2^78375043 is an apocalyptic number.

78375043 is a deficient number, since it is larger than the sum of its proper divisors (767357).

78375043 is a wasteful number, since it uses less digits than its factorization.

78375043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 78375043 is about 8852.9680333773. The cubic root of 78375043 is about 427.9495729887.

It can be divided in two parts, 7837 and 5043, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 78375043 in words is "seventy-eight million, three hundred seventy-five thousand, forty-three".