78180796 has 6 divisors (see below), whose sum is σ = 136816400. Its totient is φ = 39090396.

The previous prime is 78180793. The next prime is 78180797. The reversal of 78180796 is 69708187.

It is a super-2 number, since 2×78180796² = 12224473726387232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78180793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9772596 + ... + 9772603.

Almost surely, 2^78180796 is an apocalyptic number.

It is an amenable number.

78180796 is a deficient number, since it is larger than the sum of its proper divisors (58635604).

78180796 is a wasteful number, since it uses less digits than its factorization.

78180796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19545203 (or 19545201 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 78180796 is about 8841.9904998818. The cubic root of 78180796 is about 427.5957329235.

The spelling of 78180796 in words is "seventy-eight million, one hundred eighty thousand, seven hundred ninety-six".