78963871082 has 4 divisors (see below), whose sum is σ = 118445806626. Its totient is φ = 39481935540.

The previous prime is 78963871039. The next prime is 78963871097. The reversal of 78963871082 is 28017836987.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61176580921 + 17787290161 = 247339^2 + 133369^2 .

It is a super-3 number, since 3×78963871082³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19740967769 + ... + 19740967772.

Almost surely, 2^78963871082 is an apocalyptic number.

78963871082 is a deficient number, since it is larger than the sum of its proper divisors (39481935544).

78963871082 is a wasteful number, since it uses less digits than its factorization.

78963871082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39481935543.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 78963871082 in words is "seventy-eight billion, nine hundred sixty-three million, eight hundred seventy-one thousand, eighty-two".