78000707 has 8 divisors (see below), whose sum is σ = 79116576. Its totient is φ = 76891392.

The previous prime is 78000679. The next prime is 78000721. The reversal of 78000707 is 70700087.

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

It is a cyclic number.

It is not a de Polignac number, because 78000707 - 2⁸ = 78000451 is a prime.

It is a super-2 number, since 2×78000707² = 12168220584999698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78000707.

It is not an unprimeable number, because it can be changed into a prime (78000787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25418 + ... + 28320.

It is an arithmetic number, because the mean of its divisors is an integer number (9889572).

Almost surely, 2^78000707 is an apocalyptic number.

78000707 is a deficient number, since it is larger than the sum of its proper divisors (1115869).

78000707 is a wasteful number, since it uses less digits than its factorization.

78000707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 78000707 is about 8831.8008922303. The cubic root of 78000707 is about 427.2671590931.

The spelling of 78000707 in words is "seventy-eight million, seven hundred seven", and thus it is an aban number.