78375768 has 32 divisors (see below), whose sum is σ = 201237360. Its totient is φ = 25418880.

The previous prime is 78375761. The next prime is 78375769. The reversal of 78375768 is 86757387.

It is a super-2 number, since 2×78375768² = 12285522019179648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78375768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78375761) 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, 43243 + ... + 45018.

Almost surely, 2^78375768 is an apocalyptic number.

It is an amenable number.

78375768 is an abundant number, since it is smaller than the sum of its proper divisors (122861592).

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

78375768 is a wasteful number, since it uses less digits than its factorization.

78375768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88307 (or 88303 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 78375768 is about 8853.0089800022. The cubic root of 78375768 is about 427.9508925519.

The spelling of 78375768 in words is "seventy-eight million, three hundred seventy-five thousand, seven hundred sixty-eight".