78303298 has 8 divisors (see below), whose sum is σ = 117804492. Its totient is φ = 39035136.

The previous prime is 78303289. The next prime is 78303307. The reversal of 78303298 is 89230387.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78303289) and next prime (78303307).

It can be written as a sum of positive squares in 2 ways, for example, as 73667889 + 4635409 = 8583^2 + 2153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78303298² = 12262812955353608, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78303298.

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, 57415 + ... + 58762.

Almost surely, 2^78303298 is an apocalyptic number.

78303298 is a deficient number, since it is larger than the sum of its proper divisors (39501194).

78303298 is a wasteful number, since it uses less digits than its factorization.

78303298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116516.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 78303298 is about 8848.9150747422. The cubic root of 78303298 is about 427.8189505594.

The spelling of 78303298 in words is "seventy-eight million, three hundred three thousand, two hundred ninety-eight".