77295477476 has 18 divisors (see below), whose sum is σ = 157351508118. Its totient is φ = 33126633120.

The previous prime is 77295477463. The next prime is 77295477499. The reversal of 77295477476 is 67477459277.

It can be written as a sum of positive squares in only one way, i.e., 76181520100 + 1113957376 = 276010^2 + 33376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197182145 + ... + 197182536.

It is an arithmetic number, because the mean of its divisors is an integer number (8741750451).

Almost surely, 2^77295477476 is an apocalyptic number.

It is an amenable number.

77295477476 is an abundant number, since it is smaller than the sum of its proper divisors (80056030642).

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

77295477476 is a wasteful number, since it uses less digits than its factorization.

77295477476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394364699 (or 394364690 counting only the distinct ones).

The product of its digits is 145212480, while the sum is 65.

The spelling of 77295477476 in words is "seventy-seven billion, two hundred ninety-five million, four hundred seventy-seven thousand, four hundred seventy-six".