61776300030 has 32 divisors (see below), whose sum is σ = 150693667488. Its totient is φ = 16203619200.

The previous prime is 61776300023. The next prime is 61776300049. The reversal of 61776300030 is 3000367716.

It is a super-2 number, since 2×61776300030² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61776299964 and 61776300000.

It is a congruent number.

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, 16876941 + ... + 16880600.

It is an arithmetic number, because the mean of its divisors is an integer number (4709177109).

Almost surely, 2^61776300030 is an apocalyptic number.

61776300030 is an abundant number, since it is smaller than the sum of its proper divisors (88917367458).

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

61776300030 is a wasteful number, since it uses less digits than its factorization.

61776300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33757612.

The product of its (nonzero) digits is 15876, while the sum is 33.

Adding to 61776300030 its reverse (3000367716), we get a palindrome (64776667746).

The spelling of 61776300030 in words is "sixty-one billion, seven hundred seventy-six million, three hundred thousand, thirty".