78084002086 has 8 divisors (see below), whose sum is σ = 117127188864. Its totient is φ = 39041605800.

The previous prime is 78084002083. The next prime is 78084002111. The reversal of 78084002086 is 68020048087.

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

It is a super-2 number, since 2×78084002086² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78084002083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287611 + ... + 488761.

It is an arithmetic number, because the mean of its divisors is an integer number (14640898608).

Almost surely, 2^78084002086 is an apocalyptic number.

78084002086 is a deficient number, since it is larger than the sum of its proper divisors (39043186778).

78084002086 is a wasteful number, since it uses less digits than its factorization.

78084002086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395246.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 78084002086 in words is "seventy-eight billion, eighty-four million, two thousand, eighty-six".