78527061 has 24 divisors (see below), whose sum is σ = 120267264. Its totient is φ = 49286880.

The previous prime is 78527051. The next prime is 78527087. The reversal of 78527061 is 16072587.

78527061 is a `hidden beast` number, since 78 + 527 + 0 + 61 = 666.

It is not a de Polignac number, because 78527061 - 2⁷ = 78526933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78527011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6520 + ... + 14126.

It is an arithmetic number, because the mean of its divisors is an integer number (5011136).

Almost surely, 2^78527061 is an apocalyptic number.

It is an amenable number.

78527061 is a deficient number, since it is larger than the sum of its proper divisors (41740203).

78527061 is a wasteful number, since it uses less digits than its factorization.

78527061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681 (or 7678 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 78527061 is about 8861.5495823248. The cubic root of 78527061 is about 428.2260811711.

The spelling of 78527061 in words is "seventy-eight million, five hundred twenty-seven thousand, sixty-one".