78077578003 has 8 divisors (see below), whose sum is σ = 78845796896. Its totient is φ = 77312664000.

The previous prime is 78077577989. The next prime is 78077578043. The reversal of 78077578003 is 30087577087.

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-78077578003 is a prime.

It is a super-2 number, since 2×78077578003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78077578043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778728 + ... + 873253.

It is an arithmetic number, because the mean of its divisors is an integer number (9855724612).

Almost surely, 2^78077578003 is an apocalyptic number.

78077578003 is a deficient number, since it is larger than the sum of its proper divisors (768218893).

78077578003 is a wasteful number, since it uses less digits than its factorization.

78077578003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652445.

The product of its (nonzero) digits is 2304960, while the sum is 52.

The spelling of 78077578003 in words is "seventy-eight billion, seventy-seven million, five hundred seventy-eight thousand, three".