78098667 has 8 divisors (see below), whose sum is σ = 104381760. Its totient is φ = 51940680.

The previous prime is 78098659. The next prime is 78098717. The reversal of 78098667 is 76689087.

It is a happy number.

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

It is not a de Polignac number, because 78098667 - 2³ = 78098659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78091667) 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, 29809 + ... + 32322.

It is an arithmetic number, because the mean of its divisors is an integer number (13047720).

Almost surely, 2^78098667 is an apocalyptic number.

78098667 is a deficient number, since it is larger than the sum of its proper divisors (26283093).

78098667 is a wasteful number, since it uses less digits than its factorization.

78098667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62553.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 78098667 is about 8837.3450198575. The cubic root of 78098667 is about 427.4459505553.

The spelling of 78098667 in words is "seventy-eight million, ninety-eight thousand, six hundred sixty-seven".