78161096 has 16 divisors (see below), whose sum is σ = 157825500. Its totient is φ = 36074304.

The previous prime is 78161089. The next prime is 78161101. The reversal of 78161096 is 69016187.

It can be written as a sum of positive squares in 2 ways, for example, as 74200996 + 3960100 = 8614^2 + 1990^2 .

It is a super-2 number, since 2×78161096² = 12218313855842432, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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, 375671 + ... + 375878.

Almost surely, 2^78161096 is an apocalyptic number.

It is an amenable number.

78161096 is an abundant number, since it is smaller than the sum of its proper divisors (79664404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78161096 is a wasteful number, since it uses less digits than its factorization.

78161096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751568 (or 751564 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 78161096 is about 8840.8764271423. The cubic root of 78161096 is about 427.5598147100.

The spelling of 78161096 in words is "seventy-eight million, one hundred sixty-one thousand, ninety-six".