78272576258041 has 27 divisors (see below), whose sum is σ = 90803780965989. Its totient is φ = 67410195672600.

The previous prime is 78272576258027. The next prime is 78272576258099. The reversal of 78272576258041 is 14085267527287.

The square root of 78272576258041 is 8847179.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 78272576258041 - 2¹³ = 78272576249849 is a prime.

It is a super-2 number, since 2×78272576258041² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78272576258011) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1849039246 + ... + 1849081576.

Almost surely, 2^{78272576258041} is an apocalyptic number.

78272576258041 is the 8847179-th square number.

78272576258041 is the 4423590-th centered octagonal number.

It is an amenable number.

78272576258041 is a deficient number, since it is larger than the sum of its proper divisors (12531204707948).

78272576258041 is an frugal number, since it uses more digits than its factorization.

78272576258041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84722 (or 42361 counting only the distinct ones).

The product of its (nonzero) digits is 105369600, while the sum is 64.

The spelling of 78272576258041 in words is "seventy-eight trillion, two hundred seventy-two billion, five hundred seventy-six million, two hundred fifty-eight thousand, forty-one".