77732428795 has 16 divisors (see below), whose sum is σ = 106665370560. Its totient is φ = 53271788544.

The previous prime is 77732428783. The next prime is 77732428801. The reversal of 77732428795 is 59782423777.

It is a cyclic number.

It is not a de Polignac number, because 77732428795 - 2¹⁷ = 77732297723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572110 + ... + 694819.

It is an arithmetic number, because the mean of its divisors is an integer number (6666585660).

Almost surely, 2^77732428795 is an apocalyptic number.

77732428795 is a deficient number, since it is larger than the sum of its proper divisors (28932941765).

77732428795 is a wasteful number, since it uses less digits than its factorization.

77732428795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268694.

The product of its digits is 41489280, while the sum is 61.

The spelling of 77732428795 in words is "seventy-seven billion, seven hundred thirty-two million, four hundred twenty-eight thousand, seven hundred ninety-five".