78365874982 has 8 divisors (see below), whose sum is σ = 118406833416. Its totient is φ = 38896930512.

The previous prime is 78365874959. The next prime is 78365874997. The reversal of 78365874982 is 28947856387.

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

It is a super-2 number, since 2×78365874982² (a number of 23 digits) contains 22 as substring.

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, 143003148 + ... + 143003695.

It is an arithmetic number, because the mean of its divisors is an integer number (14800854177).

Almost surely, 2^78365874982 is an apocalyptic number.

78365874982 is a deficient number, since it is larger than the sum of its proper divisors (40040958434).

78365874982 is a wasteful number, since it uses less digits than its factorization.

78365874982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286006982.

The product of its digits is 162570240, while the sum is 67.

The spelling of 78365874982 in words is "seventy-eight billion, three hundred sixty-five million, eight hundred seventy-four thousand, nine hundred eighty-two".