78232616 has 48 divisors (see below), whose sum is σ = 186157440. Its totient is φ = 30478560.

The previous prime is 78232603. The next prime is 78232619. The reversal of 78232616 is 61623287.

It is a happy number.

It is a super-2 number, since 2×78232616² = 12240684412406912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78232619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4760 + ... + 13383.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2^78232616 is an apocalyptic number.

It is an amenable number.

78232616 is an abundant number, since it is smaller than the sum of its proper divisors (107924824).

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

78232616 is a wasteful number, since it uses less digits than its factorization.

78232616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18174 (or 18163 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 78232616 is about 8844.9203501219. The cubic root of 78232616 is about 427.6901854327.

The spelling of 78232616 in words is "seventy-eight million, two hundred thirty-two thousand, six hundred sixteen".