78506103 has 32 divisors (see below), whose sum is σ = 119528640. Its totient is φ = 45480960.

The previous prime is 78506101. The next prime is 78506117. The reversal of 78506103 is 30160587.

It is not a de Polignac number, because 78506103 - 2¹ = 78506101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78506101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45525 + ... + 47217.

It is an arithmetic number, because the mean of its divisors is an integer number (3735270).

Almost surely, 2^78506103 is an apocalyptic number.

78506103 is a deficient number, since it is larger than the sum of its proper divisors (41022537).

78506103 is a wasteful number, since it uses less digits than its factorization.

78506103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 78506103 is about 8860.3669788559. The cubic root of 78506103 is about 428.1879815206.

The spelling of 78506103 in words is "seventy-eight million, five hundred six thousand, one hundred three".