78580603 has 2 divisors, whose sum is σ = 78580604. Its totient is φ = 78580602.

The previous prime is 78580583. The next prime is 78580639. The reversal of 78580603 is 30608587.

It is a weak prime.

It is an emirp because it is prime and its reverse (30608587) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78580603 - 2¹³ = 78572411 is a prime.

It is a super-2 number, since 2×78580603² = 12349822335687218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78580643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39290301 + 39290302.

It is an arithmetic number, because the mean of its divisors is an integer number (39290302).

Almost surely, 2^78580603 is an apocalyptic number.

78580603 is a deficient number, since it is larger than the sum of its proper divisors (1).

78580603 is an equidigital number, since it uses as much as digits as its factorization.

78580603 is an evil number, because the sum of its binary digits is even.

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

The square root of 78580603 is about 8864.5700967390. The cubic root of 78580603 is about 428.3233846633.

The spelling of 78580603 in words is "seventy-eight million, five hundred eighty thousand, six hundred three".