78001016 has 16 divisors (see below), whose sum is σ = 146406840. Its totient is φ = 38959200.

The previous prime is 78000997. The next prime is 78001019. The reversal of 78001016 is 61010087.

It is a junction number, because it is equal to n+sod(n) for n = 78000982 and 78001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78001019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3770 + ... + 13046.

Almost surely, 2^78001016 is an apocalyptic number.

It is an amenable number.

78001016 is a deficient number, since it is larger than the sum of its proper divisors (68405824).

78001016 is a wasteful number, since it uses less digits than its factorization.

78001016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10334 (or 10330 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 78001016 is about 8831.8183858139. The cubic root of 78001016 is about 427.2677232990.

The spelling of 78001016 in words is "seventy-eight million, one thousand, sixteen".