60415784761 has 4 divisors (see below), whose sum is σ = 61406207524. Its totient is φ = 59425362000.

The previous prime is 60415784731. The next prime is 60415784851. The reversal of 60415784761 is 16748751406.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33472532025 + 26943252736 = 182955^2 + 164144^2 .

It is a cyclic number.

It is not a de Polignac number, because 60415784761 - 2⁷ = 60415784633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60415784731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495211290 + ... + 495211411.

It is an arithmetic number, because the mean of its divisors is an integer number (15351551881).

Almost surely, 2^60415784761 is an apocalyptic number.

60415784761 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

60415784761 is a deficient number, since it is larger than the sum of its proper divisors (990422763).

60415784761 is an equidigital number, since it uses as much as digits as its factorization.

60415784761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990422762.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 60415784761 in words is "sixty billion, four hundred fifteen million, seven hundred eighty-four thousand, seven hundred sixty-one".