78940603764037 has 2 divisors, whose sum is σ = 78940603764038. Its totient is φ = 78940603764036.

The previous prime is 78940603763971. The next prime is 78940603764103. The reversal of 78940603764037 is 73046730604987.

It is a balanced prime because it is at equal distance from previous prime (78940603763971) and next prime (78940603764103).

It can be written as a sum of positive squares in only one way, i.e., 72458212793121 + 6482390970916 = 8512239^2 + 2546054^2 .

It is a cyclic number.

It is not a de Polignac number, because 78940603764037 - 2¹⁹ = 78940603239749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78940603764037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78940603764437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39470301882018 + 39470301882019.

It is an arithmetic number, because the mean of its divisors is an integer number (39470301882019).

Almost surely, 2^{78940603764037} is an apocalyptic number.

It is an amenable number.

78940603764037 is a deficient number, since it is larger than the sum of its proper divisors (1).

78940603764037 is an equidigital number, since it uses as much as digits as its factorization.

78940603764037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128024064, while the sum is 64.

The spelling of 78940603764037 in words is "seventy-eight trillion, nine hundred forty billion, six hundred three million, seven hundred sixty-four thousand, thirty-seven".