78469467712 has 28 divisors (see below), whose sum is σ = 160735849216. Its totient is φ = 37969096320.

The previous prime is 78469467707. The next prime is 78469467733. The reversal of 78469467712 is 21776496487.

It is a super-2 number, since 2×78469467712² (a number of 23 digits) contains 22 as substring.

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, 19773588 + ... + 19777555.

Almost surely, 2^78469467712 is an apocalyptic number.

It is an amenable number.

78469467712 is an abundant number, since it is smaller than the sum of its proper divisors (82266381504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78469467712 is a wasteful number, since it uses less digits than its factorization.

78469467712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39551186 (or 39551176 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 61.

The spelling of 78469467712 in words is "seventy-eight billion, four hundred sixty-nine million, four hundred sixty-seven thousand, seven hundred twelve".