78160851848 has 8 divisors (see below), whose sum is σ = 146551597230. Its totient is φ = 39080425920.

The previous prime is 78160851793. The next prime is 78160851871. The reversal of 78160851848 is 84815806187.

It can be written as a sum of positive squares in only one way, i.e., 76619347204 + 1541504644 = 276802^2 + 39262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×78160851848² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78160851793 and 78160851802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4885053233 + ... + 4885053248.

Almost surely, 2^78160851848 is an apocalyptic number.

It is an amenable number.

78160851848 is a deficient number, since it is larger than the sum of its proper divisors (68390745382).

78160851848 is a wasteful number, since it uses less digits than its factorization.

78160851848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9770106487 (or 9770106483 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 56.

The spelling of 78160851848 in words is "seventy-eight billion, one hundred sixty million, eight hundred fifty-one thousand, eight hundred forty-eight".