78784260630 has 32 divisors (see below), whose sum is σ = 189371831904. Its totient is φ = 20976957696.

The previous prime is 78784260613. The next prime is 78784260649. The reversal of 78784260630 is 3606248787.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991239 + ... + 2030418.

It is an arithmetic number, because the mean of its divisors is an integer number (5917869747).

Almost surely, 2^78784260630 is an apocalyptic number.

78784260630 is an abundant number, since it is smaller than the sum of its proper divisors (110587571274).

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

78784260630 is a wasteful number, since it uses less digits than its factorization.

78784260630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022320.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 78784260630 in words is "seventy-eight billion, seven hundred eighty-four million, two hundred sixty thousand, six hundred thirty".