78367955744 has 48 divisors (see below), whose sum is σ = 166205208960. Its totient is φ = 36158926080.

The previous prime is 78367955741. The next prime is 78367955747. The reversal of 78367955744 is 44755976387.

It is an interprime number because it is at equal distance from previous prime (78367955741) and next prime (78367955747).

It is a super-2 number, since 2×78367955744² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78367955741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1445609 + ... + 1498839.

It is an arithmetic number, because the mean of its divisors is an integer number (3462608520).

Almost surely, 2^78367955744 is an apocalyptic number.

It is an amenable number.

78367955744 is an abundant number, since it is smaller than the sum of its proper divisors (87837253216).

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

78367955744 is a wasteful number, since it uses less digits than its factorization.

78367955744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56793 (or 56785 counting only the distinct ones).

The product of its digits is 177811200, while the sum is 65.

The spelling of 78367955744 in words is "seventy-eight billion, three hundred sixty-seven million, nine hundred fifty-five thousand, seven hundred forty-four".