2078438487 has 8 divisors (see below), whose sum is σ = 2796676080. Its totient is φ = 1372913280.

The previous prime is 2078438473. The next prime is 2078438503. The reversal of 2078438487 is 7848348702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2078438487 - 2⁴ = 2078438471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078438387) 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 7 ways as a sum of consecutive naturals, for example, 3177714 + ... + 3178367.

It is an arithmetic number, because the mean of its divisors is an integer number (349584510).

Almost surely, 2^2078438487 is an apocalyptic number.

2078438487 is a deficient number, since it is larger than the sum of its proper divisors (718237593).

2078438487 is a wasteful number, since it uses less digits than its factorization.

2078438487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356193.

The product of its (nonzero) digits is 2408448, while the sum is 51.

The square root of 2078438487 is about 45589.8945710560. The cubic root of 2078438487 is about 1276.1813450770.

The spelling of 2078438487 in words is "two billion, seventy-eight million, four hundred thirty-eight thousand, four hundred eighty-seven".