78195103 has 8 divisors (see below), whose sum is σ = 89435808. Its totient is φ = 66971904.

The previous prime is 78195083. The next prime is 78195137. The reversal of 78195103 is 30159187.

It is a happy number.

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 78195103 - 2¹⁷ = 78064031 is a prime.

It is a super-2 number, since 2×78195103² = 12228948266361218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78195163) 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, 7275 + ... + 14467.

It is an arithmetic number, because the mean of its divisors is an integer number (11179476).

Almost surely, 2^78195103 is an apocalyptic number.

78195103 is a deficient number, since it is larger than the sum of its proper divisors (11240705).

78195103 is a wasteful number, since it uses less digits than its factorization.

78195103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 78195103 is about 8842.7995001583. The cubic root of 78195103 is about 427.6218145161.

The spelling of 78195103 in words is "seventy-eight million, one hundred ninety-five thousand, one hundred three".