78023168 has 20 divisors (see below), whose sum is σ = 155894970. Its totient is φ = 39011328.

The previous prime is 78023147. The next prime is 78023201. The reversal of 78023168 is 86132087.

It can be written as a sum of positive squares in only one way, i.e., 42406144 + 35617024 = 6512^2 + 5968^2 .

It is a super-2 number, since 2×78023168² = 12175229489512448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75683 + ... + 76706.

Almost surely, 2^78023168 is an apocalyptic number.

It is an amenable number.

78023168 is a deficient number, since it is larger than the sum of its proper divisors (77871802).

78023168 is an equidigital number, since it uses as much as digits as its factorization.

78023168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152407 (or 152391 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 78023168 is about 8833.0723986617. The cubic root of 78023168 is about 427.3081669549.

The spelling of 78023168 in words is "seventy-eight million, twenty-three thousand, one hundred sixty-eight".