620477356115 has 4 divisors (see below), whose sum is σ = 744572827344. Its totient is φ = 496381884888.

The previous prime is 620477356099. The next prime is 620477356117. The reversal of 620477356115 is 511653774026.

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

It is a cyclic number.

It is not a de Polignac number, because 620477356115 - 2⁴ = 620477356099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620477356115.

It is not an unprimeable number, because it can be changed into a prime (620477356117) 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, 62047735607 + ... + 62047735616.

It is an arithmetic number, because the mean of its divisors is an integer number (186143206836).

Almost surely, 2^620477356115 is an apocalyptic number.

620477356115 is a deficient number, since it is larger than the sum of its proper divisors (124095471229).

620477356115 is a wasteful number, since it uses less digits than its factorization.

620477356115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124095471228.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 620477356115 in words is "six hundred twenty billion, four hundred seventy-seven million, three hundred fifty-six thousand, one hundred fifteen".