2077783677986 has 32 divisors (see below), whose sum is σ = 3370479085440. Its totient is φ = 957701961216.

The previous prime is 2077783677973. The next prime is 2077783677989. The reversal of 2077783677986 is 6897763877702.

It is not an unprimeable number, because it can be changed into a prime (2077783677989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694031 + ... + 2153426.

It is an arithmetic number, because the mean of its divisors is an integer number (105327471420).

Almost surely, 2^{2077783677986} is an apocalyptic number.

2077783677986 is a deficient number, since it is larger than the sum of its proper divisors (1292695407454).

2077783677986 is a wasteful number, since it uses less digits than its factorization.

2077783677986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848058.

The product of its (nonzero) digits is 2091059712, while the sum is 77.

The spelling of 2077783677986 in words is "two trillion, seventy-seven billion, seven hundred eighty-three million, six hundred seventy-seven thousand, nine hundred eighty-six".