78244341404 has 6 divisors (see below), whose sum is σ = 136927597464. Its totient is φ = 39122170700.

The previous prime is 78244341377. The next prime is 78244341433. The reversal of 78244341404 is 40414344287.

It is a super-2 number, since 2×78244341404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9780542672 + ... + 9780542679.

It is an arithmetic number, because the mean of its divisors is an integer number (22821266244).

Almost surely, 2^78244341404 is an apocalyptic number.

It is an amenable number.

78244341404 is a deficient number, since it is larger than the sum of its proper divisors (58683256060).

78244341404 is a wasteful number, since it uses less digits than its factorization.

78244341404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19561085355 (or 19561085353 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 41.

The spelling of 78244341404 in words is "seventy-eight billion, two hundred forty-four million, three hundred forty-one thousand, four hundred four".