3260405776978 has 8 divisors (see below), whose sum is σ = 5589267046272. Its totient is φ = 1397316761556.

The previous prime is 3260405776949. The next prime is 3260405776981. The reversal of 3260405776978 is 8796775040623.

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

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, 116443063450 + ... + 116443063477.

It is an arithmetic number, because the mean of its divisors is an integer number (698658380784).

Almost surely, 2^{3260405776978} is an apocalyptic number.

3260405776978 is a deficient number, since it is larger than the sum of its proper divisors (2328861269294).

3260405776978 is a wasteful number, since it uses less digits than its factorization.

3260405776978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232886126936.

The product of its (nonzero) digits is 106686720, while the sum is 64.

The spelling of 3260405776978 in words is "three trillion, two hundred sixty billion, four hundred five million, seven hundred seventy-six thousand, nine hundred seventy-eight".