78053575 has 6 divisors (see below), whose sum is σ = 96786464. Its totient is φ = 62442840.

The previous prime is 78053551. The next prime is 78053617. The reversal of 78053575 is 57535087.

It is not a de Polignac number, because 78053575 - 2⁵ = 78053543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1561047 + ... + 1561096.

Almost surely, 2^78053575 is an apocalyptic number.

78053575 is a deficient number, since it is larger than the sum of its proper divisors (18732889).

78053575 is a wasteful number, since it uses less digits than its factorization.

78053575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122153 (or 3122148 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 78053575 is about 8834.7934327861. The cubic root of 78053575 is about 427.3636695799.

The spelling of 78053575 in words is "seventy-eight million, fifty-three thousand, five hundred seventy-five".