61782069060 has 48 divisors (see below), whose sum is σ = 192210883200. Its totient is φ = 16475218272.

The previous prime is 61782069043. The next prime is 61782069073. The reversal of 61782069060 is 6096028716.

61782069060 is a `hidden beast` number, since 617 + 8 + 20 + 6 + 9 + 0 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 61782068997 and 61782069015.

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, 57205080 + ... + 57206159.

It is an arithmetic number, because the mean of its divisors is an integer number (4004393400).

Almost surely, 2^61782069060 is an apocalyptic number.

61782069060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61782069060 is an abundant number, since it is smaller than the sum of its proper divisors (130428814140).

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

61782069060 is a wasteful number, since it uses less digits than its factorization.

61782069060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114411257 (or 114411249 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 61782069060 in words is "sixty-one billion, seven hundred eighty-two million, sixty-nine thousand, sixty".