696511655 has 16 divisors (see below), whose sum is σ = 964678464. Its totient is φ = 472876800.

The previous prime is 696511619. The next prime is 696511657. The reversal of 696511655 is 556115696.

It is not a de Polignac number, because 696511655 - 2⁸ = 696511399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696511657) 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, 94982 + ... + 102051.

It is an arithmetic number, because the mean of its divisors is an integer number (60292404).

Almost surely, 2^696511655 is an apocalyptic number.

696511655 is a deficient number, since it is larger than the sum of its proper divisors (268166809).

696511655 is a wasteful number, since it uses less digits than its factorization.

696511655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197146.

The product of its digits is 243000, while the sum is 44.

The square root of 696511655 is about 26391.5072513868. The cubic root of 696511655 is about 886.4266328003.

The spelling of 696511655 in words is "six hundred ninety-six million, five hundred eleven thousand, six hundred fifty-five".