78350285075 has 12 divisors (see below), whose sum is σ = 97174950048. Its totient is φ = 62666940000.

The previous prime is 78350285063. The next prime is 78350285087. The reversal of 78350285075 is 57058205387.

It is an interprime number because it is at equal distance from previous prime (78350285063) and next prime (78350285087).

It is not a de Polignac number, because 78350285075 - 2¹⁶ = 78350219539 is a prime.

It is a super-2 number, since 2×78350285075² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 211052 + ... + 448601.

It is an arithmetic number, because the mean of its divisors is an integer number (8097912504).

Almost surely, 2^78350285075 is an apocalyptic number.

78350285075 is a deficient number, since it is larger than the sum of its proper divisors (18824664973).

78350285075 is a wasteful number, since it uses less digits than its factorization.

78350285075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664414 (or 664409 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 78350285075 in words is "seventy-eight billion, three hundred fifty million, two hundred eighty-five thousand, seventy-five".