58780478491 has 4 divisors (see below), whose sum is σ = 67177689712. Its totient is φ = 50383267272.

The previous prime is 58780478489. The next prime is 58780478527. The reversal of 58780478491 is 19487408785.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58780478491 - 2¹ = 58780478489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (58780478441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4198605600 + ... + 4198605613.

It is an arithmetic number, because the mean of its divisors is an integer number (16794422428).

Almost surely, 2^58780478491 is an apocalyptic number.

58780478491 is a deficient number, since it is larger than the sum of its proper divisors (8397211221).

58780478491 is an equidigital number, since it uses as much as digits as its factorization.

58780478491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8397211220.

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 58780478491 in words is "fifty-eight billion, seven hundred eighty million, four hundred seventy-eight thousand, four hundred ninety-one".