78433061 has 8 divisors (see below), whose sum is σ = 90900864. Its totient is φ = 66281040.

The previous prime is 78433039. The next prime is 78433063. The reversal of 78433061 is 16033487.

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

It is not a de Polignac number, because 78433061 - 2⁶ = 78432997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78433063) 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, 78410 + ... + 79403.

It is an arithmetic number, because the mean of its divisors is an integer number (11362608).

Almost surely, 2^78433061 is an apocalyptic number.

78433061 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

78433061 is a deficient number, since it is larger than the sum of its proper divisors (12467803).

78433061 is a wasteful number, since it uses less digits than its factorization.

78433061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157891.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 78433061 is about 8856.2441813672. The cubic root of 78433061 is about 428.0551450913.

The spelling of 78433061 in words is "seventy-eight million, four hundred thirty-three thousand, sixty-one".