71206525677 has 16 divisors (see below), whose sum is σ = 113222799360. Its totient is φ = 38920336752.

The previous prime is 71206525661. The next prime is 71206525681. The reversal of 71206525677 is 77652560217.

It is not a de Polignac number, because 71206525677 - 2⁴ = 71206525661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71206529677) 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 15 ways as a sum of consecutive naturals, for example, 73712277 + ... + 73713242.

It is an arithmetic number, because the mean of its divisors is an integer number (7076424960).

Almost surely, 2^71206525677 is an apocalyptic number.

It is an amenable number.

71206525677 is a deficient number, since it is larger than the sum of its proper divisors (42016273683).

71206525677 is a wasteful number, since it uses less digits than its factorization.

71206525677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147425552.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 71206525677 in words is "seventy-one billion, two hundred six million, five hundred twenty-five thousand, six hundred seventy-seven".