78560461 has 8 divisors (see below), whose sum is σ = 90116864. Its totient is φ = 67087440.

The previous prime is 78560431. The next prime is 78560477. The reversal of 78560461 is 16406587.

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

It is not a de Polignac number, because 78560461 - 2¹¹ = 78558413 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 78560461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78560411) 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, 18810 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (11264608).

Almost surely, 2^78560461 is an apocalyptic number.

It is an amenable number.

78560461 is a deficient number, since it is larger than the sum of its proper divisors (11556403).

78560461 is a wasteful number, since it uses less digits than its factorization.

78560461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41691.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 78560461 is about 8863.4339282244. The cubic root of 78560461 is about 428.2867851866.

The spelling of 78560461 in words is "seventy-eight million, five hundred sixty thousand, four hundred sixty-one".