78035538 has 24 divisors (see below), whose sum is σ = 181552752. Its totient is φ = 22295784.

The previous prime is 78035509. The next prime is 78035539. The reversal of 78035538 is 83553087.

It is a junction number, because it is equal to n+sod(n) for n = 78035496 and 78035505.

It is not an unprimeable number, because it can be changed into a prime (78035539) 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 11 ways as a sum of consecutive naturals, for example, 132420 + ... + 133007.

It is an arithmetic number, because the mean of its divisors is an integer number (7564698).

Almost surely, 2^78035538 is an apocalyptic number.

78035538 is an abundant number, since it is smaller than the sum of its proper divisors (103517214).

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

78035538 is a wasteful number, since it uses less digits than its factorization.

78035538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265446 (or 265439 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 78035538 is about 8833.7725802740. The cubic root of 78035538 is about 427.3307479517.

The spelling of 78035538 in words is "seventy-eight million, thirty-five thousand, five hundred thirty-eight".