85902402177976 has 8 divisors (see below), whose sum is σ = 161067004083720. Its totient is φ = 42951201088984.

The previous prime is 85902402177923. The next prime is 85902402177979. The reversal of 85902402177976 is 67977120420958.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85902402177979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5368900136116 + ... + 5368900136131.

It is an arithmetic number, because the mean of its divisors is an integer number (20133375510465).

Almost surely, 2^{85902402177976} is an apocalyptic number.

It is an amenable number.

85902402177976 is a deficient number, since it is larger than the sum of its proper divisors (75164601905744).

85902402177976 is a wasteful number, since it uses less digits than its factorization.

85902402177976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10737800272253 (or 10737800272249 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 67.

The spelling of 85902402177976 in words is "eighty-five trillion, nine hundred two billion, four hundred two million, one hundred seventy-seven thousand, nine hundred seventy-six".