782425407 has 8 divisors (see below), whose sum is σ = 1043688880. Its totient is φ = 521389440.

The previous prime is 782425387. The next prime is 782425411. The reversal of 782425407 is 704524287.

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

It is not a de Polignac number, because 782425407 - 2⁷ = 782425279 is a prime.

It is a super-2 number, since 2×782425407² = 1224379035038231298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782425507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48682 + ... + 62727.

It is an arithmetic number, because the mean of its divisors is an integer number (130461110).

Almost surely, 2^782425407 is an apocalyptic number.

782425407 is a deficient number, since it is larger than the sum of its proper divisors (261263473).

782425407 is a wasteful number, since it uses less digits than its factorization.

782425407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113753.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 782425407 is about 27971.8681356823. The cubic root of 782425407 is about 921.4695350954.

The spelling of 782425407 in words is "seven hundred eighty-two million, four hundred twenty-five thousand, four hundred seven".