78370943 has 6 divisors (see below), whose sum is σ = 91166256. Its totient is φ = 67175052.

The previous prime is 78370937. The next prime is 78370951. The reversal of 78370943 is 34907387.

It is not a de Polignac number, because 78370943 - 2⁴ = 78370927 is a prime.

It is a super-2 number, since 2×78370943² = 12284009413418498, which 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 78370943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78370993) 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 5 ways as a sum of consecutive naturals, for example, 799655 + ... + 799752.

It is an arithmetic number, because the mean of its divisors is an integer number (15194376).

Almost surely, 2^78370943 is an apocalyptic number.

78370943 is a deficient number, since it is larger than the sum of its proper divisors (12795313).

78370943 is a wasteful number, since it uses less digits than its factorization.

78370943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599421 (or 1599414 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 78370943 is about 8852.7364695895. The cubic root of 78370943 is about 427.9421104777.

The spelling of 78370943 in words is "seventy-eight million, three hundred seventy thousand, nine hundred forty-three".