78442671262 has 8 divisors (see below), whose sum is σ = 117668889000. Its totient is φ = 39219708264.

The previous prime is 78442671257. The next prime is 78442671317. The reversal of 78442671262 is 26217624487.

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

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, 752512 + ... + 850387.

It is an arithmetic number, because the mean of its divisors is an integer number (14708611125).

Almost surely, 2^78442671262 is an apocalyptic number.

78442671262 is a deficient number, since it is larger than the sum of its proper divisors (39226217738).

78442671262 is a wasteful number, since it uses less digits than its factorization.

78442671262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627370.

The product of its digits is 1806336, while the sum is 49.

The spelling of 78442671262 in words is "seventy-eight billion, four hundred forty-two million, six hundred seventy-one thousand, two hundred sixty-two".