7780650010 has 48 divisors (see below), whose sum is σ = 16539026688. Its totient is φ = 2581575840.

The previous prime is 7780649959. The next prime is 7780650011. The reversal of 7780650010 is 100560877.

It is a super-2 number, since 2×7780650010² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7780650011) 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 23 ways as a sum of consecutive naturals, for example, 9439 + ... + 125101.

It is an arithmetic number, because the mean of its divisors is an integer number (344563056).

Almost surely, 2^7780650010 is an apocalyptic number.

7780650010 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7780650010 is an abundant number, since it is smaller than the sum of its proper divisors (8758376678).

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

7780650010 is a wasteful number, since it uses less digits than its factorization.

7780650010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115739 (or 115708 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 7780650010 is about 88207.9928918009. The cubic root of 7780650010 is about 1981.5511779172.

The spelling of 7780650010 in words is "seven billion, seven hundred eighty million, six hundred fifty thousand, ten".