616486877 has 4 divisors (see below), whose sum is σ = 619066560. Its totient is φ = 613907196.

The previous prime is 616486867. The next prime is 616486883. The reversal of 616486877 is 778684616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 616486877 - 2¹⁰ = 616485853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616486817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289483 + ... + 1289960.

It is an arithmetic number, because the mean of its divisors is an integer number (154766640).

Almost surely, 2^616486877 is an apocalyptic number.

It is an amenable number.

616486877 is a deficient number, since it is larger than the sum of its proper divisors (2579683).

616486877 is a wasteful number, since it uses less digits than its factorization.

616486877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579682.

The product of its digits is 2709504, while the sum is 53.

The square root of 616486877 is about 24829.1537713229. The cubic root of 616486877 is about 851.0882840082.

The spelling of 616486877 in words is "six hundred sixteen million, four hundred eighty-six thousand, eight hundred seventy-seven".