690157115 has 8 divisors (see below), whose sum is σ = 850572240. Its totient is φ = 537203232.

The previous prime is 690157103. The next prime is 690157129. The reversal of 690157115 is 511751096.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 690157115 - 2⁴ = 690157099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865105 + ... + 1865474.

It is an arithmetic number, because the mean of its divisors is an integer number (106321530).

Almost surely, 2^690157115 is an apocalyptic number.

690157115 is a deficient number, since it is larger than the sum of its proper divisors (160415125).

690157115 is a wasteful number, since it uses less digits than its factorization.

690157115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730621.

The product of its (nonzero) digits is 9450, while the sum is 35.

The square root of 690157115 is about 26270.8415358169. The cubic root of 690157115 is about 883.7226574635.

The spelling of 690157115 in words is "six hundred ninety million, one hundred fifty-seven thousand, one hundred fifteen".