7378944678 has 48 divisors (see below), whose sum is σ = 18323544096. Its totient is φ = 2102284800.

The previous prime is 7378944667. The next prime is 7378944689. The reversal of 7378944678 is 8764498737.

It is an interprime number because it is at equal distance from previous prime (7378944667) and next prime (7378944689).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38473 + ... + 127428.

It is an arithmetic number, because the mean of its divisors is an integer number (381740502).

Almost surely, 2^7378944678 is an apocalyptic number.

7378944678 is an abundant number, since it is smaller than the sum of its proper divisors (10944599418).

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

7378944678 is a wasteful number, since it uses less digits than its factorization.

7378944678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166269 (or 166266 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The square root of 7378944678 is about 85900.7839195895. The cubic root of 7378944678 is about 1946.8451882799.

The spelling of 7378944678 in words is "seven billion, three hundred seventy-eight million, nine hundred forty-four thousand, six hundred seventy-eight".