78582358632257 has 8 divisors (see below), whose sum is σ = 82052542057920. Its totient is φ = 75116638468080.

The previous prime is 78582358632157. The next prime is 78582358632277. The reversal of 78582358632257 is 75223685328587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78582358632257 - 2¹² = 78582358628161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78582358632277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115779382 + ... + 1115849807.

It is an arithmetic number, because the mean of its divisors is an integer number (10256567757240).

Almost surely, 2^{78582358632257} is an apocalyptic number.

It is an amenable number.

78582358632257 is a deficient number, since it is larger than the sum of its proper divisors (3470183425663).

78582358632257 is a wasteful number, since it uses less digits than its factorization.

78582358632257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231630743.

The product of its digits is 1354752000, while the sum is 71.

The spelling of 78582358632257 in words is "seventy-eight trillion, five hundred eighty-two billion, three hundred fifty-eight million, six hundred thirty-two thousand, two hundred fifty-seven".