70578831052831 has 2 divisors, whose sum is σ = 70578831052832. Its totient is φ = 70578831052830.

The previous prime is 70578831052823. The next prime is 70578831052871. The reversal of 70578831052831 is 13825013887507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70578831052831 - 2³ = 70578831052823 is a prime.

It is a super-2 number, since 2×70578831052831² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70578831052871) 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 as a sum of consecutive naturals, namely, 35289415526415 + 35289415526416.

It is an arithmetic number, because the mean of its divisors is an integer number (35289415526416).

Almost surely, 2^{70578831052831} is an apocalyptic number.

70578831052831 is a deficient number, since it is larger than the sum of its proper divisors (1).

70578831052831 is an equidigital number, since it uses as much as digits as its factorization.

70578831052831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 70578831052831 in words is "seventy trillion, five hundred seventy-eight billion, eight hundred thirty-one million, fifty-two thousand, eight hundred thirty-one".