78535941 has 32 divisors (see below), whose sum is σ = 118457856. Its totient is φ = 45864000.

The previous prime is 78535939. The next prime is 78535943. The reversal of 78535941 is 14953587.

It is an interprime number because it is at equal distance from previous prime (78535939) and next prime (78535943).

It is not a de Polignac number, because 78535941 - 2¹ = 78535939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78535893 and 78535902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78535943) 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 31 ways as a sum of consecutive naturals, for example, 159706 + ... + 160196.

It is an arithmetic number, because the mean of its divisors is an integer number (3701808).

Almost surely, 2^78535941 is an apocalyptic number.

It is an amenable number.

78535941 is a deficient number, since it is larger than the sum of its proper divisors (39921915).

78535941 is a wasteful number, since it uses less digits than its factorization.

78535941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its digits is 151200, while the sum is 42.

The square root of 78535941 is about 8862.0506091988. The cubic root of 78535941 is about 428.2422221219.

The spelling of 78535941 in words is "seventy-eight million, five hundred thirty-five thousand, nine hundred forty-one".