78469560 has 288 divisors, whose sum is σ = 297591840. Its totient is φ = 18475776.

The previous prime is 78469519. The next prime is 78469571. The reversal of 78469560 is 6596487.

78469560 is a `hidden beast` number, since 7 + 84 + 6 + 9 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3411709 + ... + 3411731.

It is an arithmetic number, because the mean of its divisors is an integer number (1033305).

Almost surely, 2^78469560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78469560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148795920).

78469560 is an abundant number, since it is smaller than the sum of its proper divisors (219122280).

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

78469560 is a wasteful number, since it uses less digits than its factorization.

78469560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 78469560 is about 8858.3045781910. The cubic root of 78469560 is about 428.1215336001.

The spelling of 78469560 in words is "seventy-eight million, four hundred sixty-nine thousand, five hundred sixty".