2387479061778 has 8 divisors (see below), whose sum is σ = 4774958123568. Its totient is φ = 795826353924.

The previous prime is 2387479061729. The next prime is 2387479061819. The reversal of 2387479061778 is 8771609747832.

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

2387479061778 is an admirable number.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 198956588476 + ... + 198956588487.

It is an arithmetic number, because the mean of its divisors is an integer number (596869765446).

Almost surely, 2^{2387479061778} is an apocalyptic number.

2387479061778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2387479061778 is a wasteful number, since it uses less digits than its factorization.

2387479061778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397913176968.

The product of its (nonzero) digits is 199148544, while the sum is 69.

The spelling of 2387479061778 in words is "two trillion, three hundred eighty-seven billion, four hundred seventy-nine million, sixty-one thousand, seven hundred seventy-eight".