61607056772 has 48 divisors (see below), whose sum is σ = 121900101120. Its totient is φ = 27088857600.

The previous prime is 61607056747. The next prime is 61607056799. The reversal of 61607056772 is 27765070616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442754 + ... + 565017.

It is an arithmetic number, because the mean of its divisors is an integer number (2539585440).

Almost surely, 2^61607056772 is an apocalyptic number.

61607056772 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61607056772 is a deficient number, since it is larger than the sum of its proper divisors (60293044348).

61607056772 is a wasteful number, since it uses less digits than its factorization.

61607056772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007852 (or 1007850 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 61607056772 in words is "sixty-one billion, six hundred seven million, fifty-six thousand, seven hundred seventy-two".