78148011 has 8 divisors (see below), whose sum is σ = 107790480. Its totient is φ = 50302112.

The previous prime is 78148003. The next prime is 78148019. The reversal of 78148011 is 11084187.

It is an interprime number because it is at equal distance from previous prime (78148003) and next prime (78148019).

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

It is a cyclic number.

It is not a de Polignac number, because 78148011 - 2³ = 78148003 is a prime.

It is a super-2 number, since 2×78148011² = 12214223246512242, 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 78148011.

It is not an unprimeable number, because it can be changed into a prime (78148019) 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, 449040 + ... + 449213.

It is an arithmetic number, because the mean of its divisors is an integer number (13473810).

Almost surely, 2^78148011 is an apocalyptic number.

78148011 is a deficient number, since it is larger than the sum of its proper divisors (29642469).

78148011 is a wasteful number, since it uses less digits than its factorization.

78148011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898285.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 78148011 is about 8840.1363677265. The cubic root of 78148011 is about 427.5359540227.

The spelling of 78148011 in words is "seventy-eight million, one hundred forty-eight thousand, eleven".