78239757601003 has 2 divisors, whose sum is σ = 78239757601004. Its totient is φ = 78239757601002.

The previous prime is 78239757600973. The next prime is 78239757601069. The reversal of 78239757601003 is 30010675793287.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78239757601003 - 2⁴⁵ = 43055385512171 is a prime.

It is a super-2 number, since 2×78239757601003² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78239757602003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39119878800501 + 39119878800502.

It is an arithmetic number, because the mean of its divisors is an integer number (39119878800502).

Almost surely, 2^{78239757601003} is an apocalyptic number.

78239757601003 is a deficient number, since it is larger than the sum of its proper divisors (1).

78239757601003 is an equidigital number, since it uses as much as digits as its factorization.

78239757601003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 78239757601003 in words is "seventy-eight trillion, two hundred thirty-nine billion, seven hundred fifty-seven million, six hundred one thousand, three".