616007697 has 4 divisors (see below), whose sum is σ = 821343600. Its totient is φ = 410671796.

The previous prime is 616007687. The next prime is 616007729. The reversal of 616007697 is 796700616.

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 616007697 - 2⁴ = 616007681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616007677) 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, 102667947 + ... + 102667952.

It is an arithmetic number, because the mean of its divisors is an integer number (205335900).

Almost surely, 2^616007697 is an apocalyptic number.

It is an amenable number.

616007697 is a deficient number, since it is larger than the sum of its proper divisors (205335903).

616007697 is a wasteful number, since it uses less digits than its factorization.

616007697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205335902.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 616007697 is about 24819.5023519812. The cubic root of 616007697 is about 850.8677168944.

The spelling of 616007697 in words is "six hundred sixteen million, seven thousand, six hundred ninety-seven".