76778152484 has 24 divisors (see below), whose sum is σ = 146583870048. Its totient is φ = 34897399040.

The previous prime is 76778152483. The next prime is 76778152531. The reversal of 76778152484 is 48425187767.

It is not an unprimeable number, because it can be changed into a prime (76778152481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295999 + ... + 1353945.

It is an arithmetic number, because the mean of its divisors is an integer number (6107661252).

Almost surely, 2^76778152484 is an apocalyptic number.

It is an amenable number.

76778152484 is a deficient number, since it is larger than the sum of its proper divisors (69805717564).

76778152484 is a wasteful number, since it uses less digits than its factorization.

76778152484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88075 (or 88073 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 59.

The spelling of 76778152484 in words is "seventy-six billion, seven hundred seventy-eight million, one hundred fifty-two thousand, four hundred eighty-four".