616373477 has 2 divisors, whose sum is σ = 616373478. Its totient is φ = 616373476.

The previous prime is 616373473. The next prime is 616373489. The reversal of 616373477 is 774373616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609398596 + 6974881 = 24686^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 616373477 - 2² = 616373473 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616373473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308186738 + 308186739.

It is an arithmetic number, because the mean of its divisors is an integer number (308186739).

Almost surely, 2^616373477 is an apocalyptic number.

It is an amenable number.

616373477 is a deficient number, since it is larger than the sum of its proper divisors (1).

616373477 is an equidigital number, since it uses as much as digits as its factorization.

616373477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 44.

The square root of 616373477 is about 24826.8700604808. The cubic root of 616373477 is about 851.0360961821.

The spelling of 616373477 in words is "six hundred sixteen million, three hundred seventy-three thousand, four hundred seventy-seven".