10077211780 has 12 divisors (see below), whose sum is σ = 21162144780. Its totient is φ = 4030884704.

The previous prime is 10077211777. The next prime is 10077211787. The reversal of 10077211780 is 8711277001.

It can be written as a sum of positive squares in 2 ways, for example, as 3706617924 + 6370593856 = 60882^2 + 79816^2 .

It is not an unprimeable number, because it can be changed into a prime (10077211787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251930275 + ... + 251930314.

It is an arithmetic number, because the mean of its divisors is an integer number (1763512065).

Almost surely, 2^10077211780 is an apocalyptic number.

10077211780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10077211780 is an abundant number, since it is smaller than the sum of its proper divisors (11084933000).

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

10077211780 is a wasteful number, since it uses less digits than its factorization.

10077211780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503860598 (or 503860596 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 34.

Adding to 10077211780 its reverse (8711277001), we get a palindrome (18788488781).

The spelling of 10077211780 in words is "ten billion, seventy-seven million, two hundred eleven thousand, seven hundred eighty".