78000278030 has 8 divisors (see below), whose sum is σ = 140400500472. Its totient is φ = 31200111208.

The previous prime is 78000278023. The next prime is 78000278099. The reversal of 78000278030 is 3087200087.

It is a happy number.

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

It is a congruent number.

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, 3900013892 + ... + 3900013911.

It is an arithmetic number, because the mean of its divisors is an integer number (17550062559).

Almost surely, 2^78000278030 is an apocalyptic number.

78000278030 is a deficient number, since it is larger than the sum of its proper divisors (62400222442).

78000278030 is a wasteful number, since it uses less digits than its factorization.

78000278030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800027810.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 78000278030 in words is "seventy-eight billion, two hundred seventy-eight thousand, thirty".