77798000910 has 64 divisors (see below), whose sum is σ = 213420344832. Its totient is φ = 17779771776.

The previous prime is 77798000909. The next prime is 77798000911. The reversal of 77798000910 is 1900089777.

It is an interprime number because it is at equal distance from previous prime (77798000909) and next prime (77798000911).

It is a self number, because there is not a number n which added to its sum of digits gives 77798000910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77798000911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1637044 + ... + 1683896.

It is an arithmetic number, because the mean of its divisors is an integer number (3334692888).

Almost surely, 2^77798000910 is an apocalyptic number.

77798000910 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77798000910 is an abundant number, since it is smaller than the sum of its proper divisors (135622343922).

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

77798000910 is a wasteful number, since it uses less digits than its factorization.

77798000910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54777.

The product of its (nonzero) digits is 222264, while the sum is 48.

The spelling of 77798000910 in words is "seventy-seven billion, seven hundred ninety-eight million, nine hundred ten", and thus it is an aban number.