58778247 has 16 divisors (see below), whose sum is σ = 87316992. Its totient is φ = 34864320.

The previous prime is 58778233. The next prime is 58778249. The reversal of 58778247 is 74287785.

It is a happy number.

It is not a de Polignac number, because 58778247 - 2⁸ = 58777991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 58778196 and 58778205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58778249) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17398 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (5457312).

Almost surely, 2^58778247 is an apocalyptic number.

58778247 is a deficient number, since it is larger than the sum of its proper divisors (28538745).

58778247 is a wasteful number, since it uses less digits than its factorization.

58778247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37958.

The product of its digits is 878080, while the sum is 48.

The square root of 58778247 is about 7666.6972680549. The cubic root of 58778247 is about 388.8112983918.

The spelling of 58778247 in words is "fifty-eight million, seven hundred seventy-eight thousand, two hundred forty-seven".