78970223122 has 32 divisors (see below), whose sum is σ = 137813529600. Its totient is φ = 33236559888.

The previous prime is 78970223113. The next prime is 78970223141. The reversal of 78970223122 is 22132207987.

It is a super-2 number, since 2×78970223122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763329 + ... + 860587.

It is an arithmetic number, because the mean of its divisors is an integer number (4306672800).

Almost surely, 2^78970223122 is an apocalyptic number.

78970223122 is a deficient number, since it is larger than the sum of its proper divisors (58843306478).

78970223122 is a wasteful number, since it uses less digits than its factorization.

78970223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98310.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 78970223122 in words is "seventy-eight billion, nine hundred seventy million, two hundred twenty-three thousand, one hundred twenty-two".