78898396 has 12 divisors (see below), whose sum is σ = 140133448. Its totient is φ = 38860272.

The previous prime is 78898373. The next prime is 78898409. The reversal of 78898396 is 69389887.

It is a self number, because there is not a number n which added to its sum of digits gives 78898396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146931 + ... + 147466.

Almost surely, 2^78898396 is an apocalyptic number.

It is an amenable number.

78898396 is a deficient number, since it is larger than the sum of its proper divisors (61235052).

78898396 is a wasteful number, since it uses less digits than its factorization.

78898396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294468 (or 294466 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 78898396 is about 8882.4769068093. The cubic root of 78898396 is about 428.9000116532.

The spelling of 78898396 in words is "seventy-eight million, eight hundred ninety-eight thousand, three hundred ninety-six".