3218675752078 has 4 divisors (see below), whose sum is σ = 4828013628120. Its totient is φ = 1609337876038.

The previous prime is 3218675752037. The next prime is 3218675752093. The reversal of 3218675752078 is 8702575768123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804668938018 + ... + 804668938021.

It is an arithmetic number, because the mean of its divisors is an integer number (1207003407030).

Almost surely, 2^{3218675752078} is an apocalyptic number.

3218675752078 is a deficient number, since it is larger than the sum of its proper divisors (1609337876042).

3218675752078 is a wasteful number, since it uses less digits than its factorization.

3218675752078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609337876041.

The product of its (nonzero) digits is 39513600, while the sum is 61.

The spelling of 3218675752078 in words is "three trillion, two hundred eighteen billion, six hundred seventy-five million, seven hundred fifty-two thousand, seventy-eight".