61488785 has 8 divisors (see below), whose sum is σ = 74547816. Its totient is φ = 48683520.

The previous prime is 61488773. The next prime is 61488803. The reversal of 61488785 is 58788416.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2521744 + 58967041 = 1588^2 + 7679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61488785 - 2¹⁰ = 61487761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62906 + ... + 63875.

It is an arithmetic number, because the mean of its divisors is an integer number (9318477).

Almost surely, 2^61488785 is an apocalyptic number.

It is an amenable number.

61488785 is a deficient number, since it is larger than the sum of its proper divisors (13059031).

61488785 is a wasteful number, since it uses less digits than its factorization.

61488785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126883.

The product of its digits is 430080, while the sum is 47.

The square root of 61488785 is about 7841.4784957940. The cubic root of 61488785 is about 394.6983436341.

The spelling of 61488785 in words is "sixty-one million, four hundred eighty-eight thousand, seven hundred eighty-five".