1577276671068 has 96 divisors (see below), whose sum is σ = 4704362449920. Its totient is φ = 447666004800.

The previous prime is 1577276671063. The next prime is 1577276671163. The reversal of 1577276671068 is 8601766727751.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1577276670996 and 1577276671014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1577276671063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6794271 + ... + 7022582.

It is an arithmetic number, because the mean of its divisors is an integer number (49003775520).

Almost surely, 2^{1577276671068} is an apocalyptic number.

1577276671068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1577276671068 is an abundant number, since it is smaller than the sum of its proper divisors (3127085778852).

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

1577276671068 is a wasteful number, since it uses less digits than its factorization.

1577276671068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13817024 (or 13817016 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 63.

The spelling of 1577276671068 in words is "one trillion, five hundred seventy-seven billion, two hundred seventy-six million, six hundred seventy-one thousand, sixty-eight".