61010878328 has 32 divisors (see below), whose sum is σ = 114687059760. Its totient is φ = 30427729920.

The previous prime is 61010878307. The next prime is 61010878337. The reversal of 61010878328 is 82387801016.

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 7 ways as a sum of consecutive naturals, for example, 13576850 + ... + 13581342.

Almost surely, 2^61010878328 is an apocalyptic number.

It is an amenable number.

61010878328 is a deficient number, since it is larger than the sum of its proper divisors (53676181432).

61010878328 is a wasteful number, since it uses less digits than its factorization.

61010878328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8447 (or 8443 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 61010878328 in words is "sixty-one billion, ten million, eight hundred seventy-eight thousand, three hundred twenty-eight".