3228078376461 has 16 divisors (see below), whose sum is σ = 4676785879040. Its totient is φ = 1973019040560.

The previous prime is 3228078376459. The next prime is 3228078376477. The reversal of 3228078376461 is 1646738708223.

It is not a de Polignac number, because 3228078376461 - 2¹ = 3228078376459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228078376451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913432975 + ... + 913436508.

It is an arithmetic number, because the mean of its divisors is an integer number (292299117440).

Almost surely, 2^{3228078376461} is an apocalyptic number.

3228078376461 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3228078376461 is a deficient number, since it is larger than the sum of its proper divisors (1448707502579).

3228078376461 is a wasteful number, since it uses less digits than its factorization.

3228078376461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826869536.

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 3228078376461 in words is "three trillion, two hundred twenty-eight billion, seventy-eight million, three hundred seventy-six thousand, four hundred sixty-one".