76467978 has 24 divisors (see below), whose sum is σ = 167233248. Its totient is φ = 25250472.

The previous prime is 76467977. The next prime is 76468001. The reversal of 76467978 is 87976467.

It is not an unprimeable number, because it can be changed into a prime (76467973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17926 + ... + 21777.

It is an arithmetic number, because the mean of its divisors is an integer number (6968052).

Almost surely, 2^76467978 is an apocalyptic number.

76467978 is an abundant number, since it is smaller than the sum of its proper divisors (90765270).

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

76467978 is a wasteful number, since it uses less digits than its factorization.

76467978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39818 (or 39815 counting only the distinct ones).

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

The square root of 76467978 is about 8744.5970747657. The cubic root of 76467978 is about 424.4499976481.

The spelling of 76467978 in words is "seventy-six million, four hundred sixty-seven thousand, nine hundred seventy-eight".