78013783774882 has 8 divisors (see below), whose sum is σ = 117061721155152. Its totient is φ = 38993210056500.

The previous prime is 78013783774837. The next prime is 78013783774921. The reversal of 78013783774882 is 28847738731087.

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

It is a super-3 number, since 3×78013783774882³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 6840908344 + ... + 6840919747.

It is an arithmetic number, because the mean of its divisors is an integer number (14632715144394).

Almost surely, 2^{78013783774882} is an apocalyptic number.

78013783774882 is a deficient number, since it is larger than the sum of its proper divisors (39047937380270).

78013783774882 is a wasteful number, since it uses less digits than its factorization.

78013783774882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681830944.

The product of its (nonzero) digits is 708083712, while the sum is 73.

The spelling of 78013783774882 in words is "seventy-eight trillion, thirteen billion, seven hundred eighty-three million, seven hundred seventy-four thousand, eight hundred eighty-two".