427699715 has 16 divisors (see below), whose sum is σ = 542125056. Its totient is φ = 323416800.

The previous prime is 427699711. The next prime is 427699717. The reversal of 427699715 is 517996724.

It is not a de Polignac number, because 427699715 - 2² = 427699711 is a prime.

It is a super-2 number, since 2×427699715² = 365854092422162450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427699711) 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, 25421 + ... + 38750.

It is an arithmetic number, because the mean of its divisors is an integer number (33882816).

Almost surely, 2^427699715 is an apocalyptic number.

427699715 is a deficient number, since it is larger than the sum of its proper divisors (114425341).

427699715 is a wasteful number, since it uses less digits than its factorization.

427699715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64250.

The product of its digits is 952560, while the sum is 50.

The square root of 427699715 is about 20680.9021805143. The cubic root of 427699715 is about 753.4359182138.

The spelling of 427699715 in words is "four hundred twenty-seven million, six hundred ninety-nine thousand, seven hundred fifteen".