2620706046778 has 8 divisors (see below), whose sum is σ = 3931915337280. Its totient is φ = 1310067601020.

The previous prime is 2620706046659. The next prime is 2620706046817. The reversal of 2620706046778 is 8776406070262.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142699708 + ... + 142718071.

It is an arithmetic number, because the mean of its divisors is an integer number (491489417160).

Almost surely, 2^{2620706046778} is an apocalyptic number.

2620706046778 is a deficient number, since it is larger than the sum of its proper divisors (1311209290502).

2620706046778 is a wasteful number, since it uses less digits than its factorization.

2620706046778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285422372.

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 2620706046778 in words is "two trillion, six hundred twenty billion, seven hundred six million, forty-six thousand, seven hundred seventy-eight".