127777166104 has 32 divisors (see below), whose sum is σ = 283249879200. Its totient is φ = 52873309440.

The previous prime is 127777166089. The next prime is 127777166137. The reversal of 127777166104 is 401661777721.

It is a happy number.

It is a super-3 number, since 3×127777166104³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39338637 + ... + 39341884.

It is an arithmetic number, because the mean of its divisors is an integer number (8851558725).

Almost surely, 2^127777166104 is an apocalyptic number.

127777166104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

127777166104 is an abundant number, since it is smaller than the sum of its proper divisors (155472713096).

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

127777166104 is a wasteful number, since it uses less digits than its factorization.

127777166104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78680563 (or 78680559 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 49.

The spelling of 127777166104 in words is "one hundred twenty-seven billion, seven hundred seventy-seven million, one hundred sixty-six thousand, one hundred four".