78774696 has 192 divisors, whose sum is σ = 286715520. Its totient is φ = 18869760.

The previous prime is 78774677. The next prime is 78774749. The reversal of 78774696 is 69647787.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71526 + ... + 72618.

It is an arithmetic number, because the mean of its divisors is an integer number (1493310).

Almost surely, 2^78774696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78774696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143357760).

78774696 is an abundant number, since it is smaller than the sum of its proper divisors (207940824).

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

78774696 is a wasteful number, since it uses less digits than its factorization.

78774696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1129 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 78774696 is about 8875.5110275409. The cubic root of 78774696 is about 428.6757456541.

The spelling of 78774696 in words is "seventy-eight million, seven hundred seventy-four thousand, six hundred ninety-six".