78906541 has 8 divisors (see below), whose sum is σ = 91707840. Its totient is φ = 66487488.

The previous prime is 78906521. The next prime is 78906557. The reversal of 78906541 is 14560987.

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 78906541 - 2⁷ = 78906413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78906494 and 78906503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78906521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95116 + ... + 95941.

It is an arithmetic number, because the mean of its divisors is an integer number (11463480).

Almost surely, 2^78906541 is an apocalyptic number.

It is an amenable number.

78906541 is a deficient number, since it is larger than the sum of its proper divisors (12801299).

78906541 is a wasteful number, since it uses less digits than its factorization.

78906541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191123.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 78906541 is about 8882.9353819557. The cubic root of 78906541 is about 428.9147701720.

The spelling of 78906541 in words is "seventy-eight million, nine hundred six thousand, five hundred forty-one".