78506241010 has 8 divisors (see below), whose sum is σ = 141311233836. Its totient is φ = 31402496400.

The previous prime is 78506240993. The next prime is 78506241017. The reversal of 78506241010 is 1014260587.

It can be written as a sum of positive squares in 2 ways, for example, as 72286237321 + 6220003689 = 268861^2 + 78867^2 .

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

It is not an unprimeable number, because it can be changed into a prime (78506241017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925312041 + ... + 3925312060.

Almost surely, 2^78506241010 is an apocalyptic number.

78506241010 is a deficient number, since it is larger than the sum of its proper divisors (62804992826).

78506241010 is a wasteful number, since it uses less digits than its factorization.

78506241010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850624108.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 78506241010 in words is "seventy-eight billion, five hundred six million, two hundred forty-one thousand, ten".