78052528 has 10 divisors (see below), whose sum is σ = 151226804. Its totient is φ = 39026256.

The previous prime is 78052523. The next prime is 78052537. The reversal of 78052528 is 82525087.

It is not an unprimeable number, because it can be changed into a prime (78052523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439126 + ... + 2439157.

Almost surely, 2^78052528 is an apocalyptic number.

It is an amenable number.

78052528 is a deficient number, since it is larger than the sum of its proper divisors (73174276).

78052528 is a wasteful number, since it uses less digits than its factorization.

78052528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878291 (or 4878285 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 78052528 is about 8834.7341782308. The cubic root of 78052528 is about 427.3617587054.

The spelling of 78052528 in words is "seventy-eight million, fifty-two thousand, five hundred twenty-eight".