70054539679881 has 27 divisors (see below), whose sum is σ = 101653816956237. Its totient is φ = 46489879623960.

The previous prime is 70054539679853. The next prime is 70054539679961. The reversal of 70054539679881 is 18897693545007.

The square root of 70054539679881 is 8369859.

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

70054539679881 is a `hidden beast` number, since 7 + 0 + 0 + 5 + 4 + 539 + 6 + 7 + 9 + 8 + 81 = 666.

It is not a de Polignac number, because 70054539679881 - 2⁷ = 70054539679753 is a prime.

It is a super-2 number, since 2×70054539679881² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70054539672881) 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, 5599429416 + ... + 5599441926.

Almost surely, 2^{70054539679881} is an apocalyptic number.

70054539679881 is the 8369859-th square number.

70054539679881 is the 4184930-th centered octagonal number.

It is an amenable number.

70054539679881 is a deficient number, since it is larger than the sum of its proper divisors (31599277276356).

70054539679881 is an frugal number, since it uses more digits than its factorization.

70054539679881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25474 (or 12737 counting only the distinct ones).

The product of its (nonzero) digits is 457228800, while the sum is 72.

The spelling of 70054539679881 in words is "seventy trillion, fifty-four billion, five hundred thirty-nine million, six hundred seventy-nine thousand, eight hundred eighty-one".