78940603763999 has 8 divisors (see below), whose sum is σ = 79007282391840. Its totient is φ = 78873935486976.

The previous prime is 78940603763971. The next prime is 78940603764037. The reversal of 78940603763999 is 99936730604987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78940603763999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78940603763939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12709919 + ... + 17872415.

It is an arithmetic number, because the mean of its divisors is an integer number (9875910298980).

Almost surely, 2^{78940603763999} is an apocalyptic number.

78940603763999 is a deficient number, since it is larger than the sum of its proper divisors (66678627841).

78940603763999 is a wasteful number, since it uses less digits than its factorization.

78940603763999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175409.

The product of its (nonzero) digits is 3333197952, while the sum is 80.

The spelling of 78940603763999 in words is "seventy-eight trillion, nine hundred forty billion, six hundred three million, seven hundred sixty-three thousand, nine hundred ninety-nine".