698007997 has 16 divisors (see below), whose sum is σ = 778969600. Its totient is φ = 622624320.

The previous prime is 698007991. The next prime is 698008001. The reversal of 698007997 is 799700896.

It is a cyclic number.

It is not a de Polignac number, because 698007997 - 2¹¹ = 698005949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698007991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5779 + ... + 37807.

It is an arithmetic number, because the mean of its divisors is an integer number (48685600).

Almost surely, 2^698007997 is an apocalyptic number.

It is an amenable number.

698007997 is a deficient number, since it is larger than the sum of its proper divisors (80961603).

698007997 is a wasteful number, since it uses less digits than its factorization.

698007997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32116.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 698007997 is about 26419.8409722693. The cubic root of 698007997 is about 887.0609599138.

The spelling of 698007997 in words is "six hundred ninety-eight million, seven thousand, nine hundred ninety-seven".