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78464736607 = 472919157191
BaseRepresentation
bin100100100010011011…
…1001101110101011111
321111112100020121112211
41021010313031311133
52241143433032412
6100013551341251
75445300154015
oct1110467156537
9244470217484
1078464736607
1130305330a64
1213259821827
137526046c3a
143b24cd68b5
15209380aca7
hex1244dcdd5f

78464736607 has 8 divisors (see below), whose sum is σ = 80138345472. Its totient is φ = 76791300600.

The previous prime is 78464736599. The next prime is 78464736613. The reversal of 78464736607 is 70663746487.

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

It is a cyclic number.

It is not a de Polignac number, because 78464736607 - 23 = 78464736599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78464736697) 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, 1343382 + ... + 1400572.

It is an arithmetic number, because the mean of its divisors is an integer number (10017293184).

Almost surely, 278464736607 is an apocalyptic number.

78464736607 is a deficient number, since it is larger than the sum of its proper divisors (1673608865).

78464736607 is a wasteful number, since it uses less digits than its factorization.

78464736607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86429.

The product of its (nonzero) digits is 28449792, while the sum is 58.

The spelling of 78464736607 in words is "seventy-eight billion, four hundred sixty-four million, seven hundred thirty-six thousand, six hundred seven".

Divisors: 1 47 29191 57191 1371977 2687977 1669462481 78464736607