76811378 has 16 divisors (see below), whose sum is σ = 132716544. Its totient is φ = 32659200.

The previous prime is 76811369. The next prime is 76811387. The reversal of 76811378 is 87311867.

It is an interprime number because it is at equal distance from previous prime (76811369) and next prime (76811387).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19823 + ... + 23378.

It is an arithmetic number, because the mean of its divisors is an integer number (8294784).

Almost surely, 2^76811378 is an apocalyptic number.

76811378 is a deficient number, since it is larger than the sum of its proper divisors (55905166).

76811378 is a wasteful number, since it uses less digits than its factorization.

76811378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43337.

The product of its digits is 56448, while the sum is 41.

The square root of 76811378 is about 8764.2100613803. The cubic root of 76811378 is about 425.0844178330.

The spelling of 76811378 in words is "seventy-six million, eight hundred eleven thousand, three hundred seventy-eight".