78156043006 has 8 divisors (see below), whose sum is σ = 117331681824. Its totient is φ = 39045482400.

The previous prime is 78156042973. The next prime is 78156043037. The reversal of 78156043006 is 60034065187.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78156043006² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78156043006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16266550 + ... + 16271353.

It is an arithmetic number, because the mean of its divisors is an integer number (14666460228).

Almost surely, 2^78156043006 is an apocalyptic number.

78156043006 is a deficient number, since it is larger than the sum of its proper divisors (39175638818).

78156043006 is a wasteful number, since it uses less digits than its factorization.

78156043006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32539106.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 78156043006 in words is "seventy-eight billion, one hundred fifty-six million, forty-three thousand, six".