78535376 has 20 divisors (see below), whose sum is σ = 161113572. Its totient is φ = 36957696.

The previous prime is 78535361. The next prime is 78535381. The reversal of 78535376 is 67353587.

It can be written as a sum of positive squares in 2 ways, for example, as 54760000 + 23775376 = 7400^2 + 4876^2 .

It is a super-2 number, since 2×78535376² = 12335610566922752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 144095 + ... + 144638.

Almost surely, 2^78535376 is an apocalyptic number.

It is an amenable number.

78535376 is an abundant number, since it is smaller than the sum of its proper divisors (82578196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78535376 is a wasteful number, since it uses less digits than its factorization.

78535376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288758 (or 288752 counting only the distinct ones).

The product of its digits is 529200, while the sum is 44.

The square root of 78535376 is about 8862.0187316435. The cubic root of 78535376 is about 428.2411951719.

The spelling of 78535376 in words is "seventy-eight million, five hundred thirty-five thousand, three hundred seventy-six".