61007456828 has 24 divisors (see below), whose sum is σ = 108603423600. Its totient is φ = 29978201088.

The previous prime is 61007456779. The next prime is 61007456837. The reversal of 61007456828 is 82865470016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840476 + ... + 910172.

It is an arithmetic number, because the mean of its divisors is an integer number (4525142650).

Almost surely, 2^61007456828 is an apocalyptic number.

It is an amenable number.

61007456828 is a deficient number, since it is larger than the sum of its proper divisors (47595966772).

61007456828 is a wasteful number, since it uses less digits than its factorization.

61007456828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73469 (or 73467 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 61007456828 in words is "sixty-one billion, seven million, four hundred fifty-six thousand, eight hundred twenty-eight".