78141903 has 16 divisors (see below), whose sum is σ = 119328000. Its totient is φ = 44557056.

The previous prime is 78141887. The next prime is 78141937. The reversal of 78141903 is 30914187.

It is not a de Polignac number, because 78141903 - 2⁴ = 78141887 is a prime.

It is a super-2 number, since 2×78141903² = 12212314008922818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78141803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6751 + ... + 14207.

It is an arithmetic number, because the mean of its divisors is an integer number (7458000).

Almost surely, 2^78141903 is an apocalyptic number.

78141903 is a deficient number, since it is larger than the sum of its proper divisors (41186097).

78141903 is a wasteful number, since it uses less digits than its factorization.

78141903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7966.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 78141903 is about 8839.7908911919. The cubic root of 78141903 is about 427.5248150843.

The spelling of 78141903 in words is "seventy-eight million, one hundred forty-one thousand, nine hundred three".