78880583 has 2 divisors, whose sum is σ = 78880584. Its totient is φ = 78880582.

The previous prime is 78880577. The next prime is 78880601. The reversal of 78880583 is 38508887.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78880583 - 2⁴ = 78880567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78880553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39440291 + 39440292.

It is an arithmetic number, because the mean of its divisors is an integer number (39440292).

Almost surely, 2^78880583 is an apocalyptic number.

78880583 is a deficient number, since it is larger than the sum of its proper divisors (1).

78880583 is an equidigital number, since it uses as much as digits as its factorization.

78880583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 78880583 is about 8881.4741456585. The cubic root of 78880583 is about 428.8677314408.

The spelling of 78880583 in words is "seventy-eight million, eight hundred eighty thousand, five hundred eighty-three".