78369298 has 16 divisors (see below), whose sum is σ = 136883520. Its totient is φ = 32952816.

The previous prime is 78369283. The next prime is 78369299. The reversal of 78369298 is 89296387.

It is a super-2 number, since 2×78369298² = 12283493738025608, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (78369299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52068 + ... + 53551.

It is an arithmetic number, because the mean of its divisors is an integer number (8555220).

Almost surely, 2^78369298 is an apocalyptic number.

78369298 is a deficient number, since it is larger than the sum of its proper divisors (58514222).

78369298 is a wasteful number, since it uses less digits than its factorization.

78369298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105681.

The product of its digits is 1306368, while the sum is 52.

The square root of 78369298 is about 8852.6435599769. The cubic root of 78369298 is about 427.9391162996.

The spelling of 78369298 in words is "seventy-eight million, three hundred sixty-nine thousand, two hundred ninety-eight".