78101070 has 16 divisors (see below), whose sum is σ = 187442640. Its totient is φ = 20826944.

The previous prime is 78101047. The next prime is 78101071. The reversal of 78101070 is 7010187.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 78101070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78101071) 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, 1301655 + ... + 1301714.

It is an arithmetic number, because the mean of its divisors is an integer number (11715165).

Almost surely, 2^78101070 is an apocalyptic number.

78101070 is an abundant number, since it is smaller than the sum of its proper divisors (109341570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78101070 is a wasteful number, since it uses less digits than its factorization.

78101070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603379.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 78101070 is about 8837.4809759343. The cubic root of 78101070 is about 427.4503345059.

The spelling of 78101070 in words is "seventy-eight million, one hundred one thousand, seventy".