78554504142602 has 16 divisors (see below), whose sum is σ = 120339166078080. Its totient is φ = 38441453661408.

The previous prime is 78554504142563. The next prime is 78554504142641. The reversal of 78554504142602 is 20624140545587.

It is an interprime number because it is at equal distance from previous prime (78554504142563) and next prime (78554504142641).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37746518 + ... + 39773214.

It is an arithmetic number, because the mean of its divisors is an integer number (7521197879880).

Almost surely, 2^{78554504142602} is an apocalyptic number.

78554504142602 is a deficient number, since it is larger than the sum of its proper divisors (41784661935478).

78554504142602 is a wasteful number, since it uses less digits than its factorization.

78554504142602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439085.

The product of its (nonzero) digits is 10752000, while the sum is 53.

The spelling of 78554504142602 in words is "seventy-eight trillion, five hundred fifty-four billion, five hundred four million, one hundred forty-two thousand, six hundred two".