78080751 has 12 divisors (see below), whose sum is σ = 128895312. Its totient is φ = 44617536.

The previous prime is 78080669. The next prime is 78080797. The reversal of 78080751 is 15708087.

It is not a de Polignac number, because 78080751 - 2¹⁴ = 78064367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78084751) by changing a digit.

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, 619626 + ... + 619751.

It is an arithmetic number, because the mean of its divisors is an integer number (10741276).

Almost surely, 2^78080751 is an apocalyptic number.

78080751 is a deficient number, since it is larger than the sum of its proper divisors (50814561).

78080751 is a wasteful number, since it uses less digits than its factorization.

78080751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239390 (or 1239387 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 78080751 is about 8836.3313088634. The cubic root of 78080751 is about 427.4132623861.

The spelling of 78080751 in words is "seventy-eight million, eighty thousand, seven hundred fifty-one".