78944097 has 8 divisors (see below), whose sum is σ = 105302560. Its totient is φ = 52607520.

The previous prime is 78944093. The next prime is 78944101. The reversal of 78944097 is 79044987.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78944093) and next prime (78944101).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78944097 - 2² = 78944093 is a prime.

It is a super-2 number, since 2×78944097² = 12464340902290818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78944093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7029 + ... + 14397.

It is an arithmetic number, because the mean of its divisors is an integer number (13162820).

Almost surely, 2^78944097 is an apocalyptic number.

It is an amenable number.

78944097 is a deficient number, since it is larger than the sum of its proper divisors (26358463).

78944097 is a wasteful number, since it uses less digits than its factorization.

78944097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 78944097 is about 8885.0490713333. The cubic root of 78944097 is about 428.9828074896.

The spelling of 78944097 in words is "seventy-eight million, nine hundred forty-four thousand, ninety-seven".