78798346 has 24 divisors (see below), whose sum is σ = 130425120. Its totient is φ = 35678280.

The previous prime is 78798341. The next prime is 78798347. The reversal of 78798346 is 64389787.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 78798293 and 78798302.

It is not an unprimeable number, because it can be changed into a prime (78798341) 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, 86425 + ... + 87331.

It is an arithmetic number, because the mean of its divisors is an integer number (5434380).

Almost surely, 2^78798346 is an apocalyptic number.

78798346 is a deficient number, since it is larger than the sum of its proper divisors (51626774).

78798346 is a wasteful number, since it uses less digits than its factorization.

78798346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1279 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 78798346 is about 8876.8432452083. The cubic root of 78798346 is about 428.7186408455.

The spelling of 78798346 in words is "seventy-eight million, seven hundred ninety-eight thousand, three hundred forty-six".