78061474228 has 12 divisors (see below), whose sum is σ = 136621108512. Its totient is φ = 39026871800.

The previous prime is 78061474219. The next prime is 78061474237. The reversal of 78061474228 is 82247416087.

It is an interprime number because it is at equal distance from previous prime (78061474219) and next prime (78061474237).

It is a congruent number.

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, 920650 + ... + 1001857.

It is an arithmetic number, because the mean of its divisors is an integer number (11385092376).

Almost surely, 2^78061474228 is an apocalyptic number.

It is an amenable number.

78061474228 is a deficient number, since it is larger than the sum of its proper divisors (58559634284).

78061474228 is a wasteful number, since it uses less digits than its factorization.

78061474228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932662 (or 1932660 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 78061474228 in words is "seventy-eight billion, sixty-one million, four hundred seventy-four thousand, two hundred twenty-eight".