620883370655 has 8 divisors (see below), whose sum is σ = 788887106352. Its totient is φ = 467488655488.

The previous prime is 620883370651. The next prime is 620883370661. The reversal of 620883370655 is 556073388026.

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

It is a cyclic number.

It is not a de Polignac number, because 620883370655 - 2² = 620883370651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620883370597 and 620883370606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620883370651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652255037 + ... + 3652255206.

It is an arithmetic number, because the mean of its divisors is an integer number (98610888294).

Almost surely, 2^620883370655 is an apocalyptic number.

620883370655 is a deficient number, since it is larger than the sum of its proper divisors (168003735697).

620883370655 is a wasteful number, since it uses less digits than its factorization.

620883370655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304510265.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 620883370655 in words is "six hundred twenty billion, eight hundred eighty-three million, three hundred seventy thousand, six hundred fifty-five".