2078693555 has 4 divisors (see below), whose sum is σ = 2494432272. Its totient is φ = 1662954840.

The previous prime is 2078693509. The next prime is 2078693557. The reversal of 2078693555 is 5553968702.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2078693555 - 2¹⁴ = 2078677171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078693557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207869351 + ... + 207869360.

It is an arithmetic number, because the mean of its divisors is an integer number (623608068).

Almost surely, 2^2078693555 is an apocalyptic number.

2078693555 is a deficient number, since it is larger than the sum of its proper divisors (415738717).

2078693555 is an equidigital number, since it uses as much as digits as its factorization.

2078693555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415738716.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The square root of 2078693555 is about 45592.6919034180. The cubic root of 2078693555 is about 1276.2335476817.

The spelling of 2078693555 in words is "two billion, seventy-eight million, six hundred ninety-three thousand, five hundred fifty-five".