2077968158408 has 16 divisors (see below), whose sum is σ = 3898570401180. Its totient is φ = 1038349384768.

The previous prime is 2077968158393. The next prime is 2077968158437. The reversal of 2077968158408 is 8048518697702.

It can be written as a sum of positive squares in 2 ways, for example, as 1258215376804 + 819752781604 = 1121702^2 + 905402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79322891 + ... + 79349082.

Almost surely, 2^{2077968158408} is an apocalyptic number.

It is an amenable number.

2077968158408 is a deficient number, since it is larger than the sum of its proper divisors (1820602242772).

2077968158408 is a wasteful number, since it uses less digits than its factorization.

2077968158408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158673616 (or 158673612 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 65.

The spelling of 2077968158408 in words is "two trillion, seventy-seven billion, nine hundred sixty-eight million, one hundred fifty-eight thousand, four hundred eight".