1208799078 has 16 divisors (see below), whose sum is σ = 2423373120. Its totient is φ = 401970536.

The previous prime is 1208799061. The next prime is 1208799079. The reversal of 1208799078 is 8709978021.

It is a super-2 number, since 2×1208799078² = 2922390421947300168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1208799078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208799079) 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, 237900 + ... + 242927.

It is an arithmetic number, because the mean of its divisors is an integer number (151460820).

Almost surely, 2^1208799078 is an apocalyptic number.

1208799078 is an abundant number, since it is smaller than the sum of its proper divisors (1214574042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1208799078 is a wasteful number, since it uses less digits than its factorization.

1208799078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481251.

The product of its (nonzero) digits is 508032, while the sum is 51.

The square root of 1208799078 is about 34767.7879365369. The cubic root of 1208799078 is about 1065.2495842126.

The spelling of 1208799078 in words is "one billion, two hundred eight million, seven hundred ninety-nine thousand, seventy-eight".