78247241268672 has 112 divisors (see below), whose sum is σ = 236614837594880. Its totient is φ = 22355401807872.

The previous prime is 78247241268649. The next prime is 78247241268701. The reversal of 78247241268672 is 27686214274287.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×78247241268672² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30609183 + ... + 33066849.

Almost surely, 2^{78247241268672} is an apocalyptic number.

It is an amenable number.

78247241268672 is an abundant number, since it is smaller than the sum of its proper divisors (158367596326208).

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

78247241268672 is a wasteful number, since it uses less digits than its factorization.

78247241268672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481378 (or 2481368 counting only the distinct ones).

The product of its digits is 202309632, while the sum is 66.

The spelling of 78247241268672 in words is "seventy-eight trillion, two hundred forty-seven billion, two hundred forty-one million, two hundred sixty-eight thousand, six hundred seventy-two".