77476661006 has 4 divisors (see below), whose sum is σ = 116214991512. Its totient is φ = 38738330502.

The previous prime is 77476660997. The next prime is 77476661051. The reversal of 77476661006 is 60016667477.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19369165250 + ... + 19369165253.

It is an arithmetic number, because the mean of its divisors is an integer number (29053747878).

Almost surely, 2^77476661006 is an apocalyptic number.

77476661006 is a deficient number, since it is larger than the sum of its proper divisors (38738330506).

77476661006 is a wasteful number, since it uses less digits than its factorization.

77476661006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38738330505.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 77476661006 in words is "seventy-seven billion, four hundred seventy-six million, six hundred sixty-one thousand, six".