78528027403 has 64 divisors (see below), whose sum is σ = 97494405120. Its totient is φ = 61793943552.

The previous prime is 78528027341. The next prime is 78528027433. The reversal of 78528027403 is 30472082587.

It is a cyclic number.

It is not a de Polignac number, because 78528027403 - 2¹⁷ = 78527896331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78528027433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191999863 + ... + 192000271.

It is an arithmetic number, because the mean of its divisors is an integer number (1523350080).

Almost surely, 2^78528027403 is an apocalyptic number.

78528027403 is a deficient number, since it is larger than the sum of its proper divisors (18966377717).

78528027403 is a wasteful number, since it uses less digits than its factorization.

78528027403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 78528027403 in words is "seventy-eight billion, five hundred twenty-eight million, twenty-seven thousand, four hundred three".