78997203 has 12 divisors (see below), whose sum is σ = 119068560. Its totient is φ = 50374896.

The previous prime is 78997199. The next prime is 78997211. The reversal of 78997203 is 30279987.

It is not a de Polignac number, because 78997203 - 2² = 78997199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78997213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190608 + ... + 191021.

It is an arithmetic number, because the mean of its divisors is an integer number (9922380).

Almost surely, 2^78997203 is an apocalyptic number.

78997203 is a deficient number, since it is larger than the sum of its proper divisors (40071357).

78997203 is a wasteful number, since it uses less digits than its factorization.

78997203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381658 (or 381655 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 78997203 is about 8888.0370723799. The cubic root of 78997203 is about 429.0789787270.

The spelling of 78997203 in words is "seventy-eight million, nine hundred ninety-seven thousand, two hundred three".