78408001282007 has 2 divisors, whose sum is σ = 78408001282008. Its totient is φ = 78408001282006.

The previous prime is 78408001281943. The next prime is 78408001282019. The reversal of 78408001282007 is 70028210080487.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78408001282007 - 2⁶ = 78408001281943 is a prime.

It is a super-2 number, since 2×78408001282007² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78408001282057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39204000641003 + 39204000641004.

It is an arithmetic number, because the mean of its divisors is an integer number (39204000641004).

Almost surely, 2^{78408001282007} is an apocalyptic number.

78408001282007 is a deficient number, since it is larger than the sum of its proper divisors (1).

78408001282007 is an equidigital number, since it uses as much as digits as its factorization.

78408001282007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 401408, while the sum is 47.

The spelling of 78408001282007 in words is "seventy-eight trillion, four hundred eight billion, one million, two hundred eighty-two thousand, seven".