61020210782 has 16 divisors (see below), whose sum is σ = 94118423712. Its totient is φ = 29649408480.

The previous prime is 61020210773. The next prime is 61020210787. The reversal of 61020210782 is 28701202016.

61020210782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61020210782³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61020210787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440069 + ... + 561872.

It is an arithmetic number, because the mean of its divisors is an integer number (5882401482).

Almost surely, 2^61020210782 is an apocalyptic number.

61020210782 is a deficient number, since it is larger than the sum of its proper divisors (33098212930).

61020210782 is a wasteful number, since it uses less digits than its factorization.

61020210782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002803.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 61020210782 its reverse (28701202016), we get a palindrome (89721412798).

The spelling of 61020210782 in words is "sixty-one billion, twenty million, two hundred ten thousand, seven hundred eighty-two".