1577861079368 has 32 divisors (see below), whose sum is σ = 3393337166400. Its totient is φ = 673784920512.

The previous prime is 1577861079367. The next prime is 1577861079383. The reversal of 1577861079368 is 8639701687751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1577861079298 and 1577861079307.

It is not an unprimeable number, because it can be changed into a prime (1577861079367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50843858 + ... + 50874881.

It is an arithmetic number, because the mean of its divisors is an integer number (106041786450).

Almost surely, 2^{1577861079368} is an apocalyptic number.

It is an amenable number.

1577861079368 is an abundant number, since it is smaller than the sum of its proper divisors (1815476087032).

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

1577861079368 is a wasteful number, since it uses less digits than its factorization.

1577861079368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101719029 (or 101719025 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 68.

The spelling of 1577861079368 in words is "one trillion, five hundred seventy-seven billion, eight hundred sixty-one million, seventy-nine thousand, three hundred sixty-eight".