61478209760 has 96 divisors (see below), whose sum is σ = 167766554592. Its totient is φ = 21040660480.

The previous prime is 61478209759. The next prime is 61478209763. The reversal of 61478209760 is 6790287416.

It is a junction number, because it is equal to n+sod(n) for n = 61478209699 and 61478209708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61478209763) by changing a digit.

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, 997457 + ... + 1057296.

It is an arithmetic number, because the mean of its divisors is an integer number (1747568277).

Almost surely, 2^61478209760 is an apocalyptic number.

It is an amenable number.

61478209760 is an abundant number, since it is smaller than the sum of its proper divisors (106288344832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61478209760 is a wasteful number, since it uses less digits than its factorization.

61478209760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054796 (or 2054788 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 61478209760 in words is "sixty-one billion, four hundred seventy-eight million, two hundred nine thousand, seven hundred sixty".