78301064 has 16 divisors (see below), whose sum is σ = 149222220. Its totient is φ = 38508480.

The previous prime is 78301061. The next prime is 78301079. The reversal of 78301064 is 46010387.

It can be written as a sum of positive squares in 2 ways, for example, as 51696100 + 26604964 = 7190^2 + 5158^2 .

It is a super-2 number, since 2×78301064² = 12262113247064192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78301061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79739 + ... + 80714.

Almost surely, 2^78301064 is an apocalyptic number.

It is an amenable number.

78301064 is a deficient number, since it is larger than the sum of its proper divisors (70921156).

78301064 is a wasteful number, since it uses less digits than its factorization.

78301064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160520 (or 160516 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 78301064 is about 8848.7888436780. The cubic root of 78301064 is about 427.8148819499.

The spelling of 78301064 in words is "seventy-eight million, three hundred one thousand, sixty-four".