61323378479 has 8 divisors (see below), whose sum is σ = 66974176080. Its totient is φ = 55685238400.

The previous prime is 61323378461. The next prime is 61323378497. The reversal of 61323378479 is 97487332316.

It is an interprime number because it is at equal distance from previous prime (61323378461) and next prime (61323378497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61323378479 - 2¹² = 61323374383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61323378479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61323378679) 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, 3154244 + ... + 3173625.

It is an arithmetic number, because the mean of its divisors is an integer number (8371772010).

Almost surely, 2^61323378479 is an apocalyptic number.

61323378479 is a deficient number, since it is larger than the sum of its proper divisors (5650797601).

61323378479 is a wasteful number, since it uses less digits than its factorization.

61323378479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328761.

The product of its digits is 4572288, while the sum is 53.

The spelling of 61323378479 in words is "sixty-one billion, three hundred twenty-three million, three hundred seventy-eight thousand, four hundred seventy-nine".