61929607084 has 24 divisors (see below), whose sum is σ = 108940232016. Its totient is φ = 30804096000.

The previous prime is 61929607079. The next prime is 61929607087. The reversal of 61929607084 is 48070692916.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61929607087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902964 + ... + 969124.

It is an arithmetic number, because the mean of its divisors is an integer number (4539176334).

Almost surely, 2^61929607084 is an apocalyptic number.

It is an amenable number.

61929607084 is a deficient number, since it is larger than the sum of its proper divisors (47010624932).

61929607084 is a wasteful number, since it uses less digits than its factorization.

61929607084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67377 (or 67375 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 61929607084 in words is "sixty-one billion, nine hundred twenty-nine million, six hundred seven thousand, eighty-four".