78177048411144 has 32 divisors (see below), whose sum is σ = 196754316480000. Its totient is φ = 25884123410112.

The previous prime is 78177048411101. The next prime is 78177048411149. The reversal of 78177048411144 is 44111484077187.

It is a super-3 number, since 3×78177048411144³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (78177048411149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10930791784 + ... + 10930798935.

It is an arithmetic number, because the mean of its divisors is an integer number (6148572390000).

Almost surely, 2^{78177048411144} is an apocalyptic number.

It is an amenable number.

78177048411144 is an abundant number, since it is smaller than the sum of its proper divisors (118577268068856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78177048411144 is a wasteful number, since it uses less digits than its factorization.

78177048411144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21861590877 (or 21861590873 counting only the distinct ones).

The product of its (nonzero) digits is 5619712, while the sum is 57.

The spelling of 78177048411144 in words is "seventy-eight trillion, one hundred seventy-seven billion, forty-eight million, four hundred eleven thousand, one hundred forty-four".