2078097142 has 12 divisors (see below), whose sum is σ = 3400872516. Its totient is φ = 944492420.

The previous prime is 2078097137. The next prime is 2078097143. The reversal of 2078097142 is 2417908702.

It is a junction number, because it is equal to n+sod(n) for n = 2078097095 and 2078097104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078097143) 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 5 ways as a sum of consecutive naturals, for example, 208959 + ... + 218677.

It is an arithmetic number, because the mean of its divisors is an integer number (283406043).

Almost surely, 2^2078097142 is an apocalyptic number.

2078097142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2078097142 is a deficient number, since it is larger than the sum of its proper divisors (1322775374).

2078097142 is an frugal number, since it uses more digits than its factorization.

2078097142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19451 (or 9732 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2078097142 is about 45586.1507697239. The cubic root of 2078097142 is about 1276.1114782076. Note that the first 3 decimals are identical.

The spelling of 2078097142 in words is "two billion, seventy-eight million, ninety-seven thousand, one hundred forty-two".