699104387 has 2 divisors, whose sum is σ = 699104388. Its totient is φ = 699104386.

The previous prime is 699104383. The next prime is 699104453. The reversal of 699104387 is 783401996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 699104387 - 2² = 699104383 is a prime.

It is not a weakly prime, because it can be changed into another prime (699104383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349552193 + 349552194.

It is an arithmetic number, because the mean of its divisors is an integer number (349552194).

Almost surely, 2^699104387 is an apocalyptic number.

699104387 is a deficient number, since it is larger than the sum of its proper divisors (1).

699104387 is an equidigital number, since it uses as much as digits as its factorization.

699104387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 699104387 is about 26440.5821985825. The cubic root of 699104387 is about 887.5251647166.

The spelling of 699104387 in words is "six hundred ninety-nine million, one hundred four thousand, three hundred eighty-seven".