78185079010 has 16 divisors (see below), whose sum is σ = 143388485496. Its totient is φ = 30683955328.

The previous prime is 78185079001. The next prime is 78185079019. The reversal of 78185079010 is 1097058187.

It is an interprime number because it is at equal distance from previous prime (78185079001) and next prime (78185079019).

It can be written as a sum of positive squares in 4 ways, for example, as 78092861401 + 92217609 = 279451^2 + 9603^2 .

It is a super-2 number, since 2×78185079010² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78185079019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73758979 + ... + 73760038.

Almost surely, 2^78185079010 is an apocalyptic number.

78185079010 is a deficient number, since it is larger than the sum of its proper divisors (65203406486).

78185079010 is a wasteful number, since it uses less digits than its factorization.

78185079010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147519077.

The product of its (nonzero) digits is 141120, while the sum is 46.

The spelling of 78185079010 in words is "seventy-eight billion, one hundred eighty-five million, seventy-nine thousand, ten".