78755045 has 8 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 62970640.

The previous prime is 78755023. The next prime is 78755051. The reversal of 78755045 is 54055787.

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

It is not a de Polignac number, because 78755045 - 2¹⁰ = 78754021 is a prime.

It is a super-2 number, since 2×78755045² = 12404714225904050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78754993 and 78755011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11660 + ... + 17130.

It is an arithmetic number, because the mean of its divisors is an integer number (11819520).

Almost surely, 2^78755045 is an apocalyptic number.

It is an amenable number.

78755045 is a deficient number, since it is larger than the sum of its proper divisors (15801115).

78755045 is a wasteful number, since it uses less digits than its factorization.

78755045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 78755045 is about 8874.4039236447. The cubic root of 78755045 is about 428.6400971186.

The spelling of 78755045 in words is "seventy-eight million, seven hundred fifty-five thousand, forty-five".